56611100661610 has 16 divisors (see below), whose sum is σ = 111163615844832. Its totient is φ = 20585854786000.

The previous prime is 56611100661593. The next prime is 56611100661613. The reversal of 56611100661610 is 1616600111665.

It is not an unprimeable number, because it can be changed into a prime (56611100661613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257323184716 + ... + 257323184935.

It is an arithmetic number, because the mean of its divisors is an integer number (6947725990302).

Almost surely, 2^{56611100661610} is an apocalyptic number.

56611100661610 is a deficient number, since it is larger than the sum of its proper divisors (54552515183222).

56611100661610 is a wasteful number, since it uses less digits than its factorization.

56611100661610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514646369669.

The product of its (nonzero) digits is 38880, while the sum is 40.

Subtracting from 56611100661610 its reverse (1616600111665), we obtain a palindrome (54994500549945).

The spelling of 56611100661610 in words is "fifty-six trillion, six hundred eleven billion, one hundred million, six hundred sixty-one thousand, six hundred ten".