25372332512544 has 96 divisors (see below), whose sum is σ = 66931287171840. Its totient is φ = 8415775936512.

The previous prime is 25372332512533. The next prime is 25372332512557. The reversal of 25372332512544 is 44521523327352.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 25372332512493 and 25372332512502.

It is an unprimeable number.

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, 15696777 + ... + 17237559.

It is an arithmetic number, because the mean of its divisors is an integer number (697200908040).

Almost surely, 2^{25372332512544} is an apocalyptic number.

25372332512544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25372332512544 is an abundant number, since it is smaller than the sum of its proper divisors (41558954659296).

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

25372332512544 is a wasteful number, since it uses less digits than its factorization.

25372332512544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541642 (or 1541634 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 48.

Adding to 25372332512544 its reverse (44521523327352), we get a palindrome (69893855839896).

The spelling of 25372332512544 in words is "twenty-five trillion, three hundred seventy-two billion, three hundred thirty-two million, five hundred twelve thousand, five hundred forty-four".