56104626266661 has 48 divisors (see below), whose sum is σ = 92201367372480. Its totient is φ = 30153233456640.

The previous prime is 56104626266657. The next prime is 56104626266671. The reversal of 56104626266661 is 16666262640165.

It is not a de Polignac number, because 56104626266661 - 2² = 56104626266657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56104626266621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4047870 + ... + 11339951.

It is an arithmetic number, because the mean of its divisors is an integer number (1920861820260).

Almost surely, 2^{56104626266661} is an apocalyptic number.

56104626266661 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56104626266661 is a deficient number, since it is larger than the sum of its proper divisors (36096741105819).

56104626266661 is a wasteful number, since it uses less digits than its factorization.

56104626266661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15389314 (or 15389307 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 56104626266661 in words is "fifty-six trillion, one hundred four billion, six hundred twenty-six million, two hundred sixty-six thousand, six hundred sixty-one".