25353657372 has 24 divisors (see below), whose sum is σ = 59163370000. Its totient is φ = 8450528256.

The previous prime is 25353657293. The next prime is 25353657379. The reversal of 25353657372 is 27375635352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25353657379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79254 + ... + 238722.

Almost surely, 2^25353657372 is an apocalyptic number.

It is an amenable number.

25353657372 is an abundant number, since it is smaller than the sum of its proper divisors (33809712628).

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

25353657372 is a wasteful number, since it uses less digits than its factorization.

25353657372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172725 (or 172723 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 48.

The spelling of 25353657372 in words is "twenty-five billion, three hundred fifty-three million, six hundred fifty-seven thousand, three hundred seventy-two".