253125513045 has 24 divisors (see below), whose sum is σ = 441378153216. Its totient is φ = 134191884768.

The previous prime is 253125513019. The next prime is 253125513049. The reversal of 253125513045 is 540315521352.

253125513045 is a `hidden beast` number, since 2 + 5 + 31 + 2 + 551 + 30 + 45 = 666.

It is not a de Polignac number, because 253125513045 - 2⁸ = 253125512789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253125513049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16833837 + ... + 16848866.

It is an arithmetic number, because the mean of its divisors is an integer number (18390756384).

Almost surely, 2^253125513045 is an apocalyptic number.

It is an amenable number.

253125513045 is a deficient number, since it is larger than the sum of its proper divisors (188252640171).

253125513045 is a wasteful number, since it uses less digits than its factorization.

253125513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33682881 (or 33682878 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 253125513045 in words is "two hundred fifty-three billion, one hundred twenty-five million, five hundred thirteen thousand, forty-five".