253501525072 has 80 divisors (see below), whose sum is σ = 535089627072. Its totient is φ = 115875809280.

The previous prime is 253501525009. The next prime is 253501525073. The reversal of 253501525072 is 270525105352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253501525073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057103 + ... + 2176849.

Almost surely, 2^253501525072 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 253501525072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267544813536).

253501525072 is an abundant number, since it is smaller than the sum of its proper divisors (281588102000).

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

253501525072 is a wasteful number, since it uses less digits than its factorization.

253501525072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119996 (or 119990 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 253501525072 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, seventy-two".