253015993125 has 120 divisors (see below), whose sum is σ = 523381464320. Its totient is φ = 115342704000.

The previous prime is 253015993081. The next prime is 253015993133. The reversal of 253015993125 is 521399510352.

253015993125 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 1 + 599 + 31 + 25 = 666.

It is not a de Polignac number, because 253015993125 - 2¹³ = 253015984933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14441871 + ... + 14459379.

Almost surely, 2^253015993125 is an apocalyptic number.

253015993125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253015993125 is an abundant number, since it is smaller than the sum of its proper divisors (270365471195).

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

253015993125 is a wasteful number, since it uses less digits than its factorization.

253015993125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909 (or 17891 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The spelling of 253015993125 in words is "two hundred fifty-three billion, fifteen million, nine hundred ninety-three thousand, one hundred twenty-five".