25873361123744 has 96 divisors (see below), whose sum is σ = 54061621039440. Its totient is φ = 12167492198400.

The previous prime is 25873361123717. The next prime is 25873361123747. The reversal of 25873361123744 is 44732116337852.

It can be written as a sum of positive squares in 8 ways, for example, as 5578155923344 + 20295205200400 = 2361812^2 + 4505020^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25873361123744.

It is not an unprimeable number, because it can be changed into a prime (25873361123747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24635342 + ... + 25664114.

Almost surely, 2^{25873361123744} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25873361123744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27030810519720).

25873361123744 is an abundant number, since it is smaller than the sum of its proper divisors (28188259915696).

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

25873361123744 is a wasteful number, since it uses less digits than its factorization.

25873361123744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029514 (or 1029506 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 56.

The spelling of 25873361123744 in words is "twenty-five trillion, eight hundred seventy-three billion, three hundred sixty-one million, one hundred twenty-three thousand, seven hundred forty-four".