25655324237632 has 28 divisors (see below), whose sum is σ = 52151486088996. Its totient is φ = 12514792309760.

The previous prime is 25655324237617. The next prime is 25655324237663. The reversal of 25655324237632 is 23673242355652.

It can be written as a sum of positive squares in 2 ways, for example, as 13795400494656 + 11859923742976 = 3714216^2 + 3443824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4888588123 + ... + 4888593370.

It is an arithmetic number, because the mean of its divisors is an integer number (1862553074607).

Almost surely, 2^{25655324237632} is an apocalyptic number.

It is an amenable number.

25655324237632 is an abundant number, since it is smaller than the sum of its proper divisors (26496161851364).

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

25655324237632 is an equidigital number, since it uses as much as digits as its factorization.

25655324237632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9777181546 (or 9777181536 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 55.

The spelling of 25655324237632 in words is "twenty-five trillion, six hundred fifty-five billion, three hundred twenty-four million, two hundred thirty-seven thousand, six hundred thirty-two".