56501111010 has 64 divisors (see below), whose sum is σ = 136211762304. Its totient is φ = 14999385600.

The previous prime is 56501110997. The next prime is 56501111011. The reversal of 56501111010 is 1011110565.

It is a happy number.

56501111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56501111011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12720390 + ... + 12724830.

It is an arithmetic number, because the mean of its divisors is an integer number (2128308786).

Almost surely, 2^56501111010 is an apocalyptic number.

56501111010 is an abundant number, since it is smaller than the sum of its proper divisors (79710651294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56501111010 is a wasteful number, since it uses less digits than its factorization.

56501111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 56501111010 its reverse (1011110565), we get a palindrome (57512221575).

The spelling of 56501111010 in words is "fifty-six billion, five hundred one million, one hundred eleven thousand, ten".