253355515435215 has 12 divisors (see below), whose sum is σ = 439149560087784. Its totient is φ = 135122941565424.

The previous prime is 253355515435177. The next prime is 253355515435273. The reversal of 253355515435215 is 512534515553352.

253355515435215 is a `hidden beast` number, since 2 + 5 + 3 + 3 + 5 + 551 + 54 + 35 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 253355515435215 - 2¹⁰ = 253355515434191 is a prime.

It is a super-2 number, since 2×253355515435215² (a number of 30 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2815061282569 + ... + 2815061282658.

It is an arithmetic number, because the mean of its divisors is an integer number (36595796673982).

Almost surely, 2^{253355515435215} is an apocalyptic number.

253355515435215 is a deficient number, since it is larger than the sum of its proper divisors (185794044652569).

253355515435215 is a wasteful number, since it uses less digits than its factorization.

253355515435215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630122565238 (or 5630122565235 counting only the distinct ones).

The product of its digits is 33750000, while the sum is 54.

The spelling of 253355515435215 in words is "two hundred fifty-three trillion, three hundred fifty-five billion, five hundred fifteen million, four hundred thirty-five thousand, two hundred fifteen".