25231152000 has 128 divisors (see below), whose sum is σ = 83641428000. Its totient is φ = 6728294400.

The previous prime is 25231151977. The next prime is 25231152019. The reversal of 25231152000 is 25113252.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×25231152000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214825 + ... + 310824.

Almost surely, 2^25231152000 is an apocalyptic number.

25231152000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25231152000 is an abundant number, since it is smaller than the sum of its proper divisors (58410276000).

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

25231152000 is an equidigital number, since it uses as much as digits as its factorization.

25231152000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525681 (or 525659 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 25231152000 its reverse (25113252), we get a palindrome (25256265252).

The spelling of 25231152000 in words is "twenty-five billion, two hundred thirty-one million, one hundred fifty-two thousand".