1056657502156 has 24 divisors (see below), whose sum is σ = 1930247867520. Its totient is φ = 505541097600.

The previous prime is 1056657502133. The next prime is 1056657502189. The reversal of 1056657502156 is 6512057566501.

It is a happy number.

It is a super-2 number, since 2×1056657502156² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47862175 + ... + 47884246.

It is an arithmetic number, because the mean of its divisors is an integer number (80426994480).

Almost surely, 2^{1056657502156} is an apocalyptic number.

It is an amenable number.

1056657502156 is a deficient number, since it is larger than the sum of its proper divisors (873590365364).

1056657502156 is a wasteful number, since it uses less digits than its factorization.

1056657502156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95746545 (or 95746543 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 1056657502156 in words is "one trillion, fifty-six billion, six hundred fifty-seven million, five hundred two thousand, one hundred fifty-six".