25005045213528 has 64 divisors (see below), whose sum is σ = 62951977820160. Its totient is φ = 8276628055296.

The previous prime is 25005045213523. The next prime is 25005045213529. The reversal of 25005045213528 is 82531254050052.

It is a super-2 number, since 2×25005045213528² (a number of 28 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 25005045213528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005045213521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039800 + ... + 8144327.

It is an arithmetic number, because the mean of its divisors is an integer number (983624653440).

Almost surely, 2^{25005045213528} is an apocalyptic number.

It is an amenable number.

25005045213528 is an abundant number, since it is smaller than the sum of its proper divisors (37946932606632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25005045213528 is a wasteful number, since it uses less digits than its factorization.

25005045213528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184736 (or 12184732 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 25005045213528 in words is "twenty-five trillion, five billion, forty-five million, two hundred thirteen thousand, five hundred twenty-eight".