253086152172 has 96 divisors (see below), whose sum is σ = 715451304960. Its totient is φ = 67975342080.

The previous prime is 253086152171. The next prime is 253086152191. The reversal of 253086152172 is 271251680352.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (253086152171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092472 + ... + 1303712.

It is an arithmetic number, because the mean of its divisors is an integer number (7452617760).

Almost surely, 2^253086152172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253086152172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357725652480).

253086152172 is an abundant number, since it is smaller than the sum of its proper divisors (462365152788).

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

253086152172 is a wasteful number, since it uses less digits than its factorization.

253086152172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212111 (or 212109 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 253086152172 in words is "two hundred fifty-three billion, eighty-six million, one hundred fifty-two thousand, one hundred seventy-two".