25505302757013 has 12 divisors (see below), whose sum is σ = 36878471004960. Its totient is φ = 16986237571176.

The previous prime is 25505302756979. The next prime is 25505302757017. The reversal of 25505302757013 is 31075720350552.

25505302757013 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 53 + 0 + 27 + 570 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-25505302757013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25505302757013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505302757017) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1441457343 + ... + 1441475036.

It is an arithmetic number, because the mean of its divisors is an integer number (3073205917080).

Almost surely, 2^{25505302757013} is an apocalyptic number.

It is an amenable number.

25505302757013 is a deficient number, since it is larger than the sum of its proper divisors (11373168247947).

25505302757013 is a wasteful number, since it uses less digits than its factorization.

25505302757013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882933368 (or 2882933365 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 45.

The spelling of 25505302757013 in words is "twenty-five trillion, five hundred five billion, three hundred two million, seven hundred fifty-seven thousand, thirteen".