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11122015441 = 97114659953
BaseRepresentation
bin10100101101110110…
…00111110011010001
31001201010000220221211
422112323013303101
5140234213443231
65035343220121
7542420366665
oct122673076321
931633026854
1011122015441
1147980a68a9
1221a48a7641
1310832a8a34
147771928a5
15451641eb1
hex296ec7cd1

11122015441 has 4 divisors (see below), whose sum is σ = 11236675492. Its totient is φ = 11007355392.

The previous prime is 11122015423. The next prime is 11122015453. The reversal of 11122015441 is 14451022111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14451022111 = 73197959207.

It can be written as a sum of positive squares in 2 ways, for example, as 8207635216 + 2914380225 = 90596^2 + 53985^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122015441 - 25 = 11122015409 is a prime.

It is a super-3 number, since 3×111220154413 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122015141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57329880 + ... + 57330073.

It is an arithmetic number, because the mean of its divisors is an integer number (2809168873).

Almost surely, 211122015441 is an apocalyptic number.

It is an amenable number.

11122015441 is a deficient number, since it is larger than the sum of its proper divisors (114660051).

11122015441 is an equidigital number, since it uses as much as digits as its factorization.

11122015441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114660050.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 11122015441 its reverse (14451022111), we get a palindrome (25573037552).

The spelling of 11122015441 in words is "eleven billion, one hundred twenty-two million, fifteen thousand, four hundred forty-one".

Divisors: 1 97 114659953 11122015441