25151232000 has 192 divisors, whose sum is σ = 83685420000. Its totient is φ = 6706790400.

The previous prime is 25151231993. The next prime is 25151232017. The reversal of 25151232000 is 23215152.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×25151232000² (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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751626 + ... + 784374.

Almost surely, 2^25151232000 is an apocalyptic number.

25151232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25151232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41842710000).

25151232000 is an abundant number, since it is smaller than the sum of its proper divisors (58534188000).

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

25151232000 is an equidigital number, since it uses as much as digits as its factorization.

25151232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32789 (or 32759 counting only the distinct ones).

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

Adding to 25151232000 its reverse (23215152), we get a palindrome (25174447152).

The spelling of 25151232000 in words is "twenty-five billion, one hundred fifty-one million, two hundred thirty-two thousand".