253012207165100 has 72 divisors (see below), whose sum is σ = 566804481524736. Its totient is φ = 97930335240000.

The previous prime is 253012207165073. The next prime is 253012207165141. The reversal of 253012207165100 is 1561702210352.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26676905 + ... + 34895295.

Almost surely, 2^{253012207165100} is an apocalyptic number.

253012207165100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253012207165100 is an abundant number, since it is smaller than the sum of its proper divisors (313792274359636).

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

253012207165100 is a wasteful number, since it uses less digits than its factorization.

253012207165100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228367 (or 8228360 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 253012207165100 its reverse (1561702210352), we get a palindrome (254573909375452).

The spelling of 253012207165100 in words is "two hundred fifty-three trillion, twelve billion, two hundred seven million, one hundred sixty-five thousand, one hundred".