3115155225 has 96 divisors (see below), whose sum is σ = 6712070400. Its totient is φ = 1237155840.

The previous prime is 3115155181. The next prime is 3115155229. The reversal of 3115155225 is 5225515113.

It is not a de Polignac number, because 3115155225 - 2¹² = 3115151129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3115155192 and 3115155201.

It is not an unprimeable number, because it can be changed into a prime (3115155229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102601 + ... + 129449.

It is an arithmetic number, because the mean of its divisors is an integer number (69917400).

Almost surely, 2^3115155225 is an apocalyptic number.

3115155225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3115155225 is an abundant number, since it is smaller than the sum of its proper divisors (3596915175).

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

3115155225 is a wasteful number, since it uses less digits than its factorization.

3115155225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26899 (or 26894 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 3115155225 is about 55813.5756335320. The cubic root of 3115155225 is about 1460.4719849195.

The spelling of 3115155225 in words is "three billion, one hundred fifteen million, one hundred fifty-five thousand, two hundred twenty-five".