6315125465561 has 4 divisors (see below), whose sum is σ = 6889227780624. Its totient is φ = 5741023150500.

The previous prime is 6315125465507. The next prime is 6315125465599. The reversal of 6315125465561 is 1655645215136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6315125465561 - 2⁶ = 6315125465497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6315125467561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287051157515 + ... + 287051157536.

It is an arithmetic number, because the mean of its divisors is an integer number (1722306945156).

Almost surely, 2^{6315125465561} is an apocalyptic number.

It is an amenable number.

6315125465561 is a deficient number, since it is larger than the sum of its proper divisors (574102315063).

6315125465561 is a wasteful number, since it uses less digits than its factorization.

6315125465561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574102315062.

The product of its digits is 3240000, while the sum is 50.

The spelling of 6315125465561 in words is "six trillion, three hundred fifteen billion, one hundred twenty-five million, four hundred sixty-five thousand, five hundred sixty-one".