25501323343452 has 48 divisors (see below), whose sum is σ = 64977567537792. Its totient is φ = 7719922774080.

The previous prime is 25501323343423. The next prime is 25501323343589. The reversal of 25501323343452 is 25434332310552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96754978 + ... + 97018185.

It is an arithmetic number, because the mean of its divisors is an integer number (1353699323704).

Almost surely, 2^{25501323343452} is an apocalyptic number.

25501323343452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25501323343452 is an abundant number, since it is smaller than the sum of its proper divisors (39476244194340).

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

25501323343452 is a wasteful number, since it uses less digits than its factorization.

25501323343452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193774178 (or 193774176 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 25501323343452 in words is "twenty-five trillion, five hundred one billion, three hundred twenty-three million, three hundred forty-three thousand, four hundred fifty-two".