2525605601172 has 48 divisors (see below), whose sum is σ = 6203423708160. Its totient is φ = 797536279008.

The previous prime is 2525605601149. The next prime is 2525605601177. The reversal of 2525605601172 is 2711065065252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525605601177) 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 15 ways as a sum of consecutive naturals, for example, 8685813 + ... + 8971875.

It is an arithmetic number, because the mean of its divisors is an integer number (129237993920).

Almost surely, 2^{2525605601172} is an apocalyptic number.

It is an amenable number.

2525605601172 is an abundant number, since it is smaller than the sum of its proper divisors (3677818106988).

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

2525605601172 is a wasteful number, since it uses less digits than its factorization.

2525605601172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324812 (or 324810 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 2525605601172 in words is "two trillion, five hundred twenty-five billion, six hundred five million, six hundred one thousand, one hundred seventy-two".