315215144004 has 48 divisors (see below), whose sum is σ = 753673205376. Its totient is φ = 102477408000.

The previous prime is 315215143961. The next prime is 315215144017. The reversal of 315215144004 is 400441512513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527049 + ... + 1721135.

It is an arithmetic number, because the mean of its divisors is an integer number (15701525112).

Almost surely, 2^315215144004 is an apocalyptic number.

It is an amenable number.

315215144004 is an abundant number, since it is smaller than the sum of its proper divisors (438458061372).

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

315215144004 is a wasteful number, since it uses less digits than its factorization.

315215144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197436 (or 197434 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 315215144004 its reverse (400441512513), we get a palindrome (715656656517).

The spelling of 315215144004 in words is "three hundred fifteen billion, two hundred fifteen million, one hundred forty-four thousand, four".