1513322147172 has 48 divisors (see below), whose sum is σ = 3865239911232. Its totient is φ = 457017329280.

The previous prime is 1513322147149. The next prime is 1513322147191. The reversal of 1513322147172 is 2717412233151.

It is a super-2 number, since 2×1513322147172² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1513322147172.

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, 19525423 + ... + 19602774.

It is an arithmetic number, because the mean of its divisors is an integer number (80525831484).

Almost surely, 2^{1513322147172} is an apocalyptic number.

1513322147172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1513322147172 is an abundant number, since it is smaller than the sum of its proper divisors (2351917764060).

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

1513322147172 is a wasteful number, since it uses less digits than its factorization.

1513322147172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128508 (or 39128506 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The spelling of 1513322147172 in words is "one trillion, five hundred thirteen billion, three hundred twenty-two million, one hundred forty-seven thousand, one hundred seventy-two".