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BaseRepresentation
bin100001001011000…
…1011111101010001
32212120111222011020
41002112023331101
54234424044101
6302241510053
736404204442
oct10226137521
92776458136
101113112401
11521360905
12270942329
131497c20bb
14a7b932c9
1567ac6136
hex4258bf51

1113112401 has 4 divisors (see below), whose sum is σ = 1484149872. Its totient is φ = 742074932.

The previous prime is 1113112379. The next prime is 1113112411. The reversal of 1113112401 is 1042113111.

Adding to 1113112401 its reverse (1042113111), we get a palindrome (2155225512).

It can be divided in two parts, 11131 and 12401, that added together give a palindrome (23532).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113112401 - 26 = 1113112337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113112411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185518731 + ... + 185518736.

It is an arithmetic number, because the mean of its divisors is an integer number (371037468).

Almost surely, 21113112401 is an apocalyptic number.

It is an amenable number.

1113112401 is a deficient number, since it is larger than the sum of its proper divisors (371037471).

1113112401 is an equidigital number, since it uses as much as digits as its factorization.

1113112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371037470.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1113112401 is about 33363.3391764074. The cubic root of 1113112401 is about 1036.3656429751.

The spelling of 1113112401 in words is "one billion, one hundred thirteen million, one hundred twelve thousand, four hundred one".

Divisors: 1 3 371037467 1113112401