5655215773215 has 128 divisors (see below), whose sum is σ = 10458444226560. Its totient is φ = 2896292505600.

The previous prime is 5655215773183. The next prime is 5655215773231. The reversal of 5655215773215 is 5123775125565.

5655215773215 is a `hidden beast` number, since 5 + 6 + 5 + 5 + 21 + 577 + 32 + 15 = 666.

It is not a de Polignac number, because 5655215773215 - 2⁵ = 5655215773183 is a prime.

It is a super-2 number, since 2×5655215773215² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 285419649 + ... + 285439461.

It is an arithmetic number, because the mean of its divisors is an integer number (81706595520).

Almost surely, 2^{5655215773215} is an apocalyptic number.

5655215773215 is a deficient number, since it is larger than the sum of its proper divisors (4803228453345).

5655215773215 is a wasteful number, since it uses less digits than its factorization.

5655215773215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382 (or 20376 counting only the distinct ones).

The product of its digits is 11025000, while the sum is 54.

The spelling of 5655215773215 in words is "five trillion, six hundred fifty-five billion, two hundred fifteen million, seven hundred seventy-three thousand, two hundred fifteen".