25261787007960 has 128 divisors (see below), whose sum is σ = 75859646688000. Its totient is φ = 6729875525120.

The previous prime is 25261787007943. The next prime is 25261787007973. The reversal of 25261787007960 is 6970078716252.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 25261787007894 and 25261787007903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965245675 + ... + 965271845.

It is an arithmetic number, because the mean of its divisors is an integer number (592653489750).

Almost surely, 2^{25261787007960} is an apocalyptic number.

25261787007960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25261787007960 is an abundant number, since it is smaller than the sum of its proper divisors (50597859680040).

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

25261787007960 is a wasteful number, since it uses less digits than its factorization.

25261787007960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33761 (or 33757 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 25261787007960 in words is "twenty-five trillion, two hundred sixty-one billion, seven hundred eighty-seven million, seven thousand, nine hundred sixty".