315511445165263 has 4 divisors (see below), whose sum is σ = 315516394971648. Its totient is φ = 315506495358880.

The previous prime is 315511445165249. The next prime is 315511445165269. The reversal of 315511445165263 is 362561544115513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315511445165263 - 2³⁷ = 315374006211791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315511445165263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315511445165269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474807578 + ... + 2474935063.

It is an arithmetic number, because the mean of its divisors is an integer number (78879098742912).

Almost surely, 2^{315511445165263} is an apocalyptic number.

315511445165263 is a deficient number, since it is larger than the sum of its proper divisors (4949806385).

315511445165263 is an equidigital number, since it uses as much as digits as its factorization.

315511445165263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949806384.

The product of its digits is 6480000, while the sum is 52.

The spelling of 315511445165263 in words is "three hundred fifteen trillion, five hundred eleven billion, four hundred forty-five million, one hundred sixty-five thousand, two hundred sixty-three".