25135412435605 has 16 divisors (see below), whose sum is σ = 30519697440960. Its totient is φ = 19870466019712.

The previous prime is 25135412435557. The next prime is 25135412435657. The reversal of 25135412435605 is 50653421453152.

It is a cyclic number.

It is not a de Polignac number, because 25135412435605 - 2⁷ = 25135412435477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16200019 + ... + 17683648.

It is an arithmetic number, because the mean of its divisors is an integer number (1907481090060).

Almost surely, 2^{25135412435605} is an apocalyptic number.

It is an amenable number.

25135412435605 is a deficient number, since it is larger than the sum of its proper divisors (5384285005355).

25135412435605 is a wasteful number, since it uses less digits than its factorization.

25135412435605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33885428.

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 25135412435605 its reverse (50653421453152), we get a palindrome (75788833888757).

The spelling of 25135412435605 in words is "twenty-five trillion, one hundred thirty-five billion, four hundred twelve million, four hundred thirty-five thousand, six hundred five".