253017016955 has 16 divisors (see below), whose sum is σ = 311056943904. Its totient is φ = 197456920320.

The previous prime is 253017016949. The next prime is 253017016969. The reversal of 253017016955 is 559610710352.

It is not a de Polignac number, because 253017016955 - 2⁸ = 253017016699 is a prime.

It is a super-2 number, since 2×253017016955² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189864 + ... + 2302506.

It is an arithmetic number, because the mean of its divisors is an integer number (19441058994).

Almost surely, 2^253017016955 is an apocalyptic number.

253017016955 is a deficient number, since it is larger than the sum of its proper divisors (58039926949).

253017016955 is a wasteful number, since it uses less digits than its factorization.

253017016955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123646.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 253017016955 in words is "two hundred fifty-three billion, seventeen million, sixteen thousand, nine hundred fifty-five".