56135056155656 has 8 divisors (see below), whose sum is σ = 105253230291870. Its totient is φ = 28067528077824.

The previous prime is 56135056155653. The next prime is 56135056155667. The reversal of 56135056155656 is 65655165053165.

It can be written as a sum of positive squares in only one way, i.e., 33080327402500 + 23054728753156 = 5751550^2 + 4801534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56135056155656² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56135056155595 and 56135056155604.

It is not an unprimeable number, because it can be changed into a prime (56135056155653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508441009721 + ... + 3508441009736.

Almost surely, 2^{56135056155656} is an apocalyptic number.

It is an amenable number.

56135056155656 is a deficient number, since it is larger than the sum of its proper divisors (49118174136214).

56135056155656 is a wasteful number, since it uses less digits than its factorization.

56135056155656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016882019463 (or 7016882019459 counting only the distinct ones).

The product of its (nonzero) digits is 60750000, while the sum is 59.

The spelling of 56135056155656 in words is "fifty-six trillion, one hundred thirty-five billion, fifty-six million, one hundred fifty-five thousand, six hundred fifty-six".