56705513108 has 12 divisors (see below), whose sum is σ = 99611967840. Its totient is φ = 28244950872.

The previous prime is 56705513107. The next prime is 56705513141. The reversal of 56705513108 is 80131550765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56705513101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26950238 + ... + 26952341.

It is an arithmetic number, because the mean of its divisors is an integer number (8300997320).

Almost surely, 2^56705513108 is an apocalyptic number.

It is an amenable number.

56705513108 is a deficient number, since it is larger than the sum of its proper divisors (42906454732).

56705513108 is a wasteful number, since it uses less digits than its factorization.

56705513108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53902846 (or 53902844 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 56705513108 in words is "fifty-six billion, seven hundred five million, five hundred thirteen thousand, one hundred eight".