315612526252261 has 32 divisors (see below), whose sum is σ = 372242926570752. Its totient is φ = 262007426165760.

The previous prime is 315612526252241. The next prime is 315612526252301. The reversal of 315612526252261 is 162252625216513.

It is a cyclic number.

It is not a de Polignac number, because 315612526252261 - 2³⁵ = 315578166513893 is a prime.

It is a super-2 number, since 2×315612526252261² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315612526252241) 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, 65091165 + ... + 69771661.

It is an arithmetic number, because the mean of its divisors is an integer number (11632591455336).

Almost surely, 2^{315612526252261} is an apocalyptic number.

It is an amenable number.

315612526252261 is a deficient number, since it is larger than the sum of its proper divisors (56630400318491).

315612526252261 is a wasteful number, since it uses less digits than its factorization.

315612526252261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682989.

The product of its digits is 2592000, while the sum is 49.

The spelling of 315612526252261 in words is "three hundred fifteen trillion, six hundred twelve billion, five hundred twenty-six million, two hundred fifty-two thousand, two hundred sixty-one".