3126560152561 has 16 divisors (see below), whose sum is σ = 3154173926400. Its totient is φ = 3099019004928.

The previous prime is 3126560152553. The next prime is 3126560152613. The reversal of 3126560152561 is 1652510656213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3126560152561 - 2³ = 3126560152553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3126560152531) 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, 422904481 + ... + 422911873.

It is an arithmetic number, because the mean of its divisors is an integer number (197135870400).

Almost surely, 2^{3126560152561} is an apocalyptic number.

It is an amenable number.

3126560152561 is a deficient number, since it is larger than the sum of its proper divisors (27613773839).

3126560152561 is a wasteful number, since it uses less digits than its factorization.

3126560152561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 3126560152561 in words is "three trillion, one hundred twenty-six billion, five hundred sixty million, one hundred fifty-two thousand, five hundred sixty-one".