1115713256 has 64 divisors (see below), whose sum is σ = 2523052800. Its totient is φ = 452187648.

The previous prime is 1115713211. The next prime is 1115713267. The reversal of 1115713256 is 6523175111.

It is a super-2 number, since 2×1115713256² = 2489632139228243072, which contains 22 as substring.

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, 109766 + ... + 119498.

It is an arithmetic number, because the mean of its divisors is an integer number (39422700).

Almost surely, 2^1115713256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115713256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261526400).

1115713256 is an abundant number, since it is smaller than the sum of its proper divisors (1407339544).

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

1115713256 is a wasteful number, since it uses less digits than its factorization.

1115713256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858 (or 9854 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 1115713256 is about 33402.2941727062. The cubic root of 1115713256 is about 1037.1721922903.

Adding to 1115713256 its reverse (6523175111), we get a palindrome (7638888367).

The spelling of 1115713256 in words is "one billion, one hundred fifteen million, seven hundred thirteen thousand, two hundred fifty-six".