253401435111015 has 32 divisors (see below), whose sum is σ = 450562936939200. Its totient is φ = 135125983036800.

The previous prime is 253401435110977. The next prime is 253401435111043. The reversal of 253401435111015 is 510111534104352.

253401435111015 is a `hidden beast` number, since 2 + 5 + 34 + 0 + 1 + 4 + 3 + 511 + 101 + 5 = 666.

It is not a de Polignac number, because 253401435111015 - 2¹⁵ = 253401435078247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148097760 + ... + 149799029.

It is an arithmetic number, because the mean of its divisors is an integer number (14080091779350).

Almost surely, 2^{253401435111015} is an apocalyptic number.

253401435111015 is a deficient number, since it is larger than the sum of its proper divisors (197161501828185).

253401435111015 is a wasteful number, since it uses less digits than its factorization.

253401435111015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297903104 (or 297903098 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 253401435111015 its reverse (510111534104352), we get a palindrome (763512969215367).

The spelling of 253401435111015 in words is "two hundred fifty-three trillion, four hundred one billion, four hundred thirty-five million, one hundred eleven thousand, fifteen".