3115788645 has 64 divisors (see below), whose sum is σ = 5510260224. Its totient is φ = 1496801280.

The previous prime is 3115788631. The next prime is 3115788649. The reversal of 3115788645 is 5468875113.

It is not a de Polignac number, because 3115788645 - 2⁶ = 3115788581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3115788594 and 3115788603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115788649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 551304 + ... + 556926.

It is an arithmetic number, because the mean of its divisors is an integer number (86097816).

Almost surely, 2^3115788645 is an apocalyptic number.

It is an amenable number.

3115788645 is a deficient number, since it is larger than the sum of its proper divisors (2394471579).

3115788645 is a wasteful number, since it uses less digits than its factorization.

3115788645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742.

The product of its digits is 806400, while the sum is 48.

The square root of 3115788645 is about 55819.2497710243. The cubic root of 3115788645 is about 1460.5709665543.

The spelling of 3115788645 in words is "three billion, one hundred fifteen million, seven hundred eighty-eight thousand, six hundred forty-five".