253180880285081 has 4 divisors (see below), whose sum is σ = 289349577468672. Its totient is φ = 217012183101492.

The previous prime is 253180880285033. The next prime is 253180880285131. The reversal of 253180880285081 is 180582088081352.

253180880285081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253180880285081 is a prime.

It is a super-2 number, since 2×253180880285081² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253180880285081.

It is not an unprimeable number, because it can be changed into a prime (253180880285581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18084348591785 + ... + 18084348591798.

It is an arithmetic number, because the mean of its divisors is an integer number (72337394367168).

Almost surely, 2^{253180880285081} is an apocalyptic number.

It is an amenable number.

253180880285081 is a deficient number, since it is larger than the sum of its proper divisors (36168697183591).

253180880285081 is an equidigital number, since it uses as much as digits as its factorization.

253180880285081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168697183590.

The product of its (nonzero) digits is 9830400, while the sum is 59.

The spelling of 253180880285081 in words is "two hundred fifty-three trillion, one hundred eighty billion, eight hundred eighty million, two hundred eighty-five thousand, eighty-one".