315079436518 has 24 divisors (see below), whose sum is σ = 599761601064. Its totient is φ = 122758221600.

The previous prime is 315079436513. The next prime is 315079436527. The reversal of 315079436518 is 815634970513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315079436513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146139663 + ... + 146141818.

It is an arithmetic number, because the mean of its divisors is an integer number (24990066711).

Almost surely, 2^315079436518 is an apocalyptic number.

315079436518 is a deficient number, since it is larger than the sum of its proper divisors (284682164546).

315079436518 is a wasteful number, since it uses less digits than its factorization.

315079436518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292281508 (or 292281501 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 315079436518 in words is "three hundred fifteen billion, seventy-nine million, four hundred thirty-six thousand, five hundred eighteen".