56101061010561 has 32 divisors (see below), whose sum is σ = 85863525715968. Its totient is φ = 31916742716160.

The previous prime is 56101061010557. The next prime is 56101061010581. The reversal of 56101061010561 is 16501016010165.

It is not a de Polignac number, because 56101061010561 - 2² = 56101061010557 is a prime.

It is a super-2 number, since 2×56101061010561² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56101061010541) 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, 18874600 + ... + 21643766.

It is an arithmetic number, because the mean of its divisors is an integer number (2683235178624).

Almost surely, 2^{56101061010561} is an apocalyptic number.

It is an amenable number.

56101061010561 is a deficient number, since it is larger than the sum of its proper divisors (29762464705407).

56101061010561 is a wasteful number, since it uses less digits than its factorization.

56101061010561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773421.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 56101061010561 in words is "fifty-six trillion, one hundred one billion, sixty-one million, ten thousand, five hundred sixty-one".