5215856355 has 128 divisors (see below), whose sum is σ = 9810662400. Its totient is φ = 2626670592.

The previous prime is 5215856353. The next prime is 5215856363. The reversal of 5215856355 is 5536585125.

It is a happy number.

5215856355 is a `hidden beast` number, since 5 + 2 + 1 + 5 + 8 + 5 + 635 + 5 = 666.

It is not a de Polignac number, because 5215856355 - 2¹ = 5215856353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5215856355.

It is not an unprimeable number, because it can be changed into a prime (5215856353) by changing a digit.

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, 33221937 + ... + 33222093.

It is an arithmetic number, because the mean of its divisors is an integer number (76645800).

Almost surely, 2^5215856355 is an apocalyptic number.

5215856355 is a deficient number, since it is larger than the sum of its proper divisors (4594806045).

5215856355 is a wasteful number, since it uses less digits than its factorization.

5215856355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 364 counting only the distinct ones).

The product of its digits is 900000, while the sum is 45.

The square root of 5215856355 is about 72220.8858641321. The cubic root of 5215856355 is about 1734.2373718694.

The spelling of 5215856355 in words is "five billion, two hundred fifteen million, eight hundred fifty-six thousand, three hundred fifty-five".