315906551688355 has 4 divisors (see below), whose sum is σ = 379087862026032. Its totient is φ = 252725241350680.

The previous prime is 315906551688331. The next prime is 315906551688367. The reversal of 315906551688355 is 553886155609513.

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

It is not a de Polignac number, because 315906551688355 - 2¹⁵ = 315906551655587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31590655168831 + ... + 31590655168840.

It is an arithmetic number, because the mean of its divisors is an integer number (94771965506508).

Almost surely, 2^{315906551688355} is an apocalyptic number.

315906551688355 is a deficient number, since it is larger than the sum of its proper divisors (63181310337677).

315906551688355 is an equidigital number, since it uses as much as digits as its factorization.

315906551688355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63181310337676.

The product of its (nonzero) digits is 583200000, while the sum is 70.

The spelling of 315906551688355 in words is "three hundred fifteen trillion, nine hundred six billion, five hundred fifty-one million, six hundred eighty-eight thousand, three hundred fifty-five".