1115604372 has 24 divisors (see below), whose sum is σ = 2629915456. Its totient is φ = 368034048.

The previous prime is 1115604359. The next prime is 1115604401. The reversal of 1115604372 is 2734065111.

It is a super-2 number, since 2×1115604372² = 2489146229651028768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478048 + ... + 480375.

Almost surely, 2^1115604372 is an apocalyptic number.

1115604372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115604372 is an abundant number, since it is smaller than the sum of its proper divisors (1514311084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115604372 is a wasteful number, since it uses less digits than its factorization.

1115604372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958527 (or 958525 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1115604372 is about 33400.6642448919. The cubic root of 1115604372 is about 1037.1384515031.

Adding to 1115604372 its reverse (2734065111), we get a palindrome (3849669483).

The spelling of 1115604372 in words is "one billion, one hundred fifteen million, six hundred four thousand, three hundred seventy-two".