1156133598256 has 40 divisors (see below), whose sum is σ = 2756933968544. Its totient is φ = 457371532800.

The previous prime is 1156133598241. The next prime is 1156133598299. The reversal of 1156133598256 is 6528953316511.

It is a junction number, because it is equal to n+sod(n) for n = 1156133598197 and 1156133598206.

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, 397022445 + ... + 397025356.

Almost surely, 2^{1156133598256} is an apocalyptic number.

1156133598256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156133598256 is an abundant number, since it is smaller than the sum of its proper divisors (1600800370288).

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

1156133598256 is a wasteful number, since it uses less digits than its factorization.

1156133598256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794047829 (or 794047823 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 55.

The spelling of 1156133598256 in words is "one trillion, one hundred fifty-six billion, one hundred thirty-three million, five hundred ninety-eight thousand, two hundred fifty-six".