3112563561 has 32 divisors (see below), whose sum is σ = 4290887040. Its totient is φ = 2006208000.

The previous prime is 3112563539. The next prime is 3112563563. The reversal of 3112563561 is 1653652113.

It is not a de Polignac number, because 3112563561 - 2⁵ = 3112563529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3112563563) 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, 2410326 + ... + 2411616.

It is an arithmetic number, because the mean of its divisors is an integer number (134090220).

Almost surely, 2^3112563561 is an apocalyptic number.

It is an amenable number.

3112563561 is a deficient number, since it is larger than the sum of its proper divisors (1178323479).

3112563561 is a wasteful number, since it uses less digits than its factorization.

3112563561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its digits is 16200, while the sum is 33.

The square root of 3112563561 is about 55790.3536554484. The cubic root of 3112563561 is about 1460.0668576689.

The spelling of 3112563561 in words is "three billion, one hundred twelve million, five hundred sixty-three thousand, five hundred sixty-one".