315615115401320 has 64 divisors (see below), whose sum is σ = 815221105413120. Its totient is φ = 107725646029824.

The previous prime is 315615115401307. The next prime is 315615115401347. The reversal of 315615115401320 is 23104511516513.

It is a super-2 number, since 2×315615115401320² (a number of 30 digits) contains 22 as substring.

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, 2527284737 + ... + 2527409616.

It is an arithmetic number, because the mean of its divisors is an integer number (12737829772080).

Almost surely, 2^{315615115401320} is an apocalyptic number.

It is an amenable number.

315615115401320 is an abundant number, since it is smaller than the sum of its proper divisors (499605990011800).

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

315615115401320 is a wasteful number, since it uses less digits than its factorization.

315615115401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054694594 (or 5054694590 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

Adding to 315615115401320 its reverse (23104511516513), we get a palindrome (338719626917833).

The spelling of 315615115401320 in words is "three hundred fifteen trillion, six hundred fifteen billion, one hundred fifteen million, four hundred one thousand, three hundred twenty".