315511502053511 has 4 divisors (see below), whose sum is σ = 315511584228072. Its totient is φ = 315511419878952.

The previous prime is 315511502053487. The next prime is 315511502053519. The reversal of 315511502053511 is 115350205115513.

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 315511502053511 - 2²⁶ = 315511434944647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315511502053519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35030360 + ... + 43106253.

It is an arithmetic number, because the mean of its divisors is an integer number (78877896057018).

Almost surely, 2^{315511502053511} is an apocalyptic number.

315511502053511 is a deficient number, since it is larger than the sum of its proper divisors (82174561).

315511502053511 is an equidigital number, since it uses as much as digits as its factorization.

315511502053511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82174560.

The product of its (nonzero) digits is 56250, while the sum is 38.

The spelling of 315511502053511 in words is "three hundred fifteen trillion, five hundred eleven billion, five hundred two million, fifty-three thousand, five hundred eleven".