1015015056 has 80 divisors (see below), whose sum is σ = 3028788288. Its totient is φ = 289484800.

The previous prime is 1015015049. The next prime is 1015015069. The reversal of 1015015056 is 6505105101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47565 + ... + 65516.

Almost surely, 2^1015015056 is an apocalyptic number.

1015015056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1015015056 is an abundant number, since it is smaller than the sum of its proper divisors (2013773232).

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

1015015056 is a wasteful number, since it uses less digits than its factorization.

1015015056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113120 (or 113114 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1015015056 is about 31859.3009339502. The cubic root of 1015015056 is about 1004.9801753472.

The spelling of 1015015056 in words is "one billion, fifteen million, fifteen thousand, fifty-six".