253145567154500 has 24 divisors (see below), whose sum is σ = 552869918666520. Its totient is φ = 101258226861600.

The previous prime is 253145567154481. The next prime is 253145567154503. The reversal of 253145567154500 is 5451765541352.

It can be written as a sum of positive squares in 4 ways, for example, as 207587761924 + 252937979392576 = 455618^2 + 15904024^2 .

It is not an unprimeable number, because it can be changed into a prime (253145567154503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253145566655 + ... + 253145567654.

It is an arithmetic number, because the mean of its divisors is an integer number (23036246611105).

Almost surely, 2^{253145567154500} is an apocalyptic number.

253145567154500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253145567154500 is an abundant number, since it is smaller than the sum of its proper divisors (299724351512020).

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

253145567154500 is a wasteful number, since it uses less digits than its factorization.

253145567154500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506291134328 (or 506291134316 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 253145567154500 in words is "two hundred fifty-three trillion, one hundred forty-five billion, five hundred sixty-seven million, one hundred fifty-four thousand, five hundred".