56100051010561 has 8 divisors (see below), whose sum is σ = 56230745313600. Its totient is φ = 55969369907280.

The previous prime is 56100051010543. The next prime is 56100051010573. The reversal of 56100051010561 is 16501015000165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56100051010561 - 2²¹ = 56100048913409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56100051010961) 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, 5235810 + ... + 11815828.

It is an arithmetic number, because the mean of its divisors is an integer number (7028843164200).

Almost surely, 2^{56100051010561} is an apocalyptic number.

It is an amenable number.

56100051010561 is a deficient number, since it is larger than the sum of its proper divisors (130694303039).

56100051010561 is a wasteful number, since it uses less digits than its factorization.

56100051010561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599879.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 56100051010561 in words is "fifty-six trillion, one hundred billion, fifty-one million, ten thousand, five hundred sixty-one".