253606172215 has 32 divisors (see below), whose sum is σ = 342788567040. Its totient is φ = 178446585600.

The previous prime is 253606172177. The next prime is 253606172219. The reversal of 253606172215 is 512271606352.

253606172215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253606172215 - 2²⁵ = 253572617783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253606172219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7770451 + ... + 7803019.

It is an arithmetic number, because the mean of its divisors is an integer number (10712142720).

Almost surely, 2^253606172215 is an apocalyptic number.

253606172215 is a deficient number, since it is larger than the sum of its proper divisors (89182394825).

253606172215 is a wasteful number, since it uses less digits than its factorization.

253606172215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37183.

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 253606172215 its reverse (512271606352), we get a palindrome (765877778567).

The spelling of 253606172215 in words is "two hundred fifty-three billion, six hundred six million, one hundred seventy-two thousand, two hundred fifteen".