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11109370801 = 1054012
BaseRepresentation
bin10100101100010101…
…11000101110110001
31001200020020111202211
422112022320232301
5140222444331201
65034212212121
7542205044104
oct122612705661
931606214684
1011109370801
114790a4a791
1221a060a041
13108079c4b9
1477562073b
15450495651
hex2962b8bb1

11109370801 has 3 divisors (see below), whose sum is σ = 11109476203. Its totient is φ = 11109265400.

The previous prime is 11109370793. The next prime is 11109370819. The reversal of 11109370801 is 10807390111.

The square root of 11109370801 is 105401.

It is a perfect power (a square), and thus also a powerful number.

11109370801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 25492401 + 11083878400 = 5049^2 + 105280^2 .

It is not a de Polignac number, because 11109370801 - 23 = 11109370793 is a prime.

It is a super-2 number, since 2×111093708012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11109370891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52701 + ... + 158101.

Almost surely, 211109370801 is an apocalyptic number.

11109370801 is the 105401-st square number.

11109370801 is the 52701-st centered octagonal number.

It is an amenable number.

11109370801 is a deficient number, since it is larger than the sum of its proper divisors (105402).

11109370801 is an frugal number, since it uses more digits than its factorization.

11109370801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210802 (or 105401 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 11109370801 in words is "eleven billion, one hundred nine million, three hundred seventy thousand, eight hundred one".

Divisors: 1 105401 11109370801