3115547372 has 48 divisors (see below), whose sum is σ = 6460661760. Its totient is φ = 1286252352.

The previous prime is 3115547341. The next prime is 3115547387. The reversal of 3115547372 is 2737455113.

It is a happy number.

It is a super-2 number, since 2×3115547372² = 19413270854352212768, which 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, 371813 + ... + 380099.

It is an arithmetic number, because the mean of its divisors is an integer number (134597120).

Almost surely, 2^3115547372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115547372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3230330880).

3115547372 is an abundant number, since it is smaller than the sum of its proper divisors (3345114388).

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

3115547372 is a wasteful number, since it uses less digits than its factorization.

3115547372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790 (or 8788 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 3115547372 is about 55817.0885303058. The cubic root of 3115547372 is about 1460.5332655124.

The spelling of 3115547372 in words is "three billion, one hundred fifteen million, five hundred forty-seven thousand, three hundred seventy-two".