253215133104 has 20 divisors (see below), whose sum is σ = 654139093976. Its totient is φ = 84405044352.

The previous prime is 253215133079. The next prime is 253215133123. The reversal of 253215133104 is 401331512352.

It is a super-4 number, since 4×253215133104⁴ (a number of 47 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637657589 + ... + 2637657684.

Almost surely, 2^253215133104 is an apocalyptic number.

253215133104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253215133104 is an abundant number, since it is smaller than the sum of its proper divisors (400923960872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253215133104 is a wasteful number, since it uses less digits than its factorization.

253215133104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275315284 (or 5275315278 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 253215133104 its reverse (401331512352), we get a palindrome (654546645456).

The spelling of 253215133104 in words is "two hundred fifty-three billion, two hundred fifteen million, one hundred thirty-three thousand, one hundred four".