56001106565 has 16 divisors (see below), whose sum is σ = 67779624960. Its totient is φ = 44415866880.

The previous prime is 56001106561. The next prime is 56001106571. The reversal of 56001106565 is 56560110065.

It is not a de Polignac number, because 56001106565 - 2² = 56001106561 is a prime.

It is a super-2 number, since 2×56001106565² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56001106561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863420 + ... + 926010.

It is an arithmetic number, because the mean of its divisors is an integer number (4236226560).

Almost surely, 2^56001106565 is an apocalyptic number.

It is an amenable number.

56001106565 is a deficient number, since it is larger than the sum of its proper divisors (11778518395).

56001106565 is a wasteful number, since it uses less digits than its factorization.

56001106565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64132.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 56001106565 in words is "fifty-six billion, one million, one hundred six thousand, five hundred sixty-five".