315503305512 has 64 divisors (see below), whose sum is σ = 826285536000. Its totient is φ = 100255943424.

The previous prime is 315503305511. The next prime is 315503305519. The reversal of 315503305512 is 215503305513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315503305511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814063 + ... + 2924030.

It is an arithmetic number, because the mean of its divisors is an integer number (12910711500).

Almost surely, 2^315503305512 is an apocalyptic number.

It is an amenable number.

315503305512 is an abundant number, since it is smaller than the sum of its proper divisors (510782230488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315503305512 is a wasteful number, since it uses less digits than its factorization.

315503305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738210 (or 5738206 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 33.

Subtracting from 315503305512 its reverse (215503305513), we obtain a palindrome (99999999999).

The spelling of 315503305512 in words is "three hundred fifteen billion, five hundred three million, three hundred five thousand, five hundred twelve".