56135613501 has 12 divisors (see below), whose sum is σ = 88456118400. Its totient is φ = 34021583880.

The previous prime is 56135613497. The next prime is 56135613529. The reversal of 56135613501 is 10531653165.

56135613501 is a `hidden beast` number, since 5 + 6 + 1 + 35 + 613 + 5 + 0 + 1 = 666.

It is not a de Polignac number, because 56135613501 - 2² = 56135613497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56135613551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283513101 + ... + 283513298.

It is an arithmetic number, because the mean of its divisors is an integer number (7371343200).

Almost surely, 2^56135613501 is an apocalyptic number.

It is an amenable number.

56135613501 is a deficient number, since it is larger than the sum of its proper divisors (32320504899).

56135613501 is a wasteful number, since it uses less digits than its factorization.

56135613501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567026416 (or 567026413 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 56135613501 in words is "fifty-six billion, one hundred thirty-five million, six hundred thirteen thousand, five hundred one".