253136535216 has 40 divisors (see below), whose sum is σ = 667849588224. Its totient is φ = 82583549760.

The previous prime is 253136535187. The next prime is 253136535217. The reversal of 253136535216 is 612535631352.

It is a super-2 number, since 2×253136535216² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253136535217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56100700 + ... + 56105211.

Almost surely, 2^253136535216 is an apocalyptic number.

It is an amenable number.

253136535216 is an abundant number, since it is smaller than the sum of its proper divisors (414713053008).

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

253136535216 is a wasteful number, since it uses less digits than its factorization.

253136535216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112205969 (or 112205963 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The spelling of 253136535216 in words is "two hundred fifty-three billion, one hundred thirty-six million, five hundred thirty-five thousand, two hundred sixteen".