56140040517 has 12 divisors (see below), whose sum is σ = 82276864320. Its totient is φ = 34024266760.

The previous prime is 56140040507. The next prime is 56140040531. The reversal of 56140040517 is 71504004165.

It is not a de Polignac number, because 56140040517 - 2⁸ = 56140040261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56140040507) 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, 77327517 + ... + 77328242.

It is an arithmetic number, because the mean of its divisors is an integer number (6856405360).

Almost surely, 2^56140040517 is an apocalyptic number.

It is an amenable number.

56140040517 is a deficient number, since it is larger than the sum of its proper divisors (26136823803).

56140040517 is a wasteful number, since it uses less digits than its factorization.

56140040517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154655784 (or 154655773 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 56140040517 in words is "fifty-six billion, one hundred forty million, forty thousand, five hundred seventeen".