5312661615 has 48 divisors (see below), whose sum is σ = 9607223808. Its totient is φ = 2816345376.

The previous prime is 5312661581. The next prime is 5312661623. The reversal of 5312661615 is 5161662135.

5312661615 is a `hidden beast` number, since 5 + 3 + 1 + 26 + 616 + 15 = 666.

It is not a de Polignac number, because 5312661615 - 2¹¹ = 5312659567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5312661615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189814 + ... + 215996.

It is an arithmetic number, because the mean of its divisors is an integer number (200150496).

Almost surely, 2^5312661615 is an apocalyptic number.

5312661615 is a deficient number, since it is larger than the sum of its proper divisors (4294562193).

5312661615 is a wasteful number, since it uses less digits than its factorization.

5312661615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370 (or 26358 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5312661615 is about 72888.0073468880. The cubic root of 5312661615 is about 1744.9007056195.

The spelling of 5312661615 in words is "five billion, three hundred twelve million, six hundred sixty-one thousand, six hundred fifteen".