25320012520000 has 280 divisors, whose sum is σ = 70855034880960. Its totient is φ = 8889780480000.

The previous prime is 25320012519973. The next prime is 25320012520003. The reversal of 25320012520000 is 2521002352.

It is a super-2 number, since 2×25320012520000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (25320012520003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11767837 + ... + 13752163.

Almost surely, 2^{25320012520000} is an apocalyptic number.

25320012520000 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 25320012520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35427517440480).

25320012520000 is an abundant number, since it is smaller than the sum of its proper divisors (45535022360960).

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

25320012520000 is a wasteful number, since it uses less digits than its factorization.

25320012520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984399 (or 1984374 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 25320012520000 its reverse (2521002352), we get a palindrome (25322533522352).

The spelling of 25320012520000 in words is "twenty-five trillion, three hundred twenty billion, twelve million, five hundred twenty thousand".