315504522755 has 4 divisors (see below), whose sum is σ = 378605427312. Its totient is φ = 252403618200.

The previous prime is 315504522653. The next prime is 315504522757. The reversal of 315504522755 is 557225405513.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-315504522755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315504522757) 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, 31550452271 + ... + 31550452280.

It is an arithmetic number, because the mean of its divisors is an integer number (94651356828).

Almost surely, 2^315504522755 is an apocalyptic number.

315504522755 is a deficient number, since it is larger than the sum of its proper divisors (63100904557).

315504522755 is an equidigital number, since it uses as much as digits as its factorization.

315504522755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63100904556.

The product of its (nonzero) digits is 1050000, while the sum is 44.

The spelling of 315504522755 in words is "three hundred fifteen billion, five hundred four million, five hundred twenty-two thousand, seven hundred fifty-five".