25524455201 has 24 divisors (see below), whose sum is σ = 31266488160. Its totient is φ = 20718633600.

The previous prime is 25524455149. The next prime is 25524455227. The reversal of 25524455201 is 10255442552.

It is a de Polignac number, because none of the positive numbers 2^k-25524455201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25524455501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4243286 + ... + 4249296.

It is an arithmetic number, because the mean of its divisors is an integer number (1302770340).

Almost surely, 2^25524455201 is an apocalyptic number.

It is an amenable number.

25524455201 is a deficient number, since it is larger than the sum of its proper divisors (5742032959).

25524455201 is a wasteful number, since it uses less digits than its factorization.

25524455201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 25524455201 its reverse (10255442552), we get a palindrome (35779897753).

The spelling of 25524455201 in words is "twenty-five billion, five hundred twenty-four million, four hundred fifty-five thousand, two hundred one".