56861120110 has 64 divisors (see below), whose sum is σ = 108043709760. Its totient is φ = 21521617920.

The previous prime is 56861120081. The next prime is 56861120117. The reversal of 56861120110 is 1102116865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56861120117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1994577 + ... + 2022883.

It is an arithmetic number, because the mean of its divisors is an integer number (1688182965).

Almost surely, 2^56861120110 is an apocalyptic number.

56861120110 is a deficient number, since it is larger than the sum of its proper divisors (51182589650).

56861120110 is a wasteful number, since it uses less digits than its factorization.

56861120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28501.

The product of its (nonzero) digits is 2880, while the sum is 31.

Adding to 56861120110 its reverse (1102116865), we get a palindrome (57963236975).

The spelling of 56861120110 in words is "fifty-six billion, eight hundred sixty-one million, one hundred twenty thousand, one hundred ten".