25265380646000 has 80 divisors (see below), whose sum is σ = 66645480496608. Its totient is φ = 9187411136000.

The previous prime is 25265380645997. The next prime is 25265380646003. The reversal of 25265380646000 is 64608356252.

It is an interprime number because it is at equal distance from previous prime (25265380645997) and next prime (25265380646003).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265380646003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574191197 + ... + 574235196.

Almost surely, 2^{25265380646000} is an apocalyptic number.

25265380646000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25265380646000 is an abundant number, since it is smaller than the sum of its proper divisors (41380099850608).

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

25265380646000 is a wasteful number, since it uses less digits than its factorization.

25265380646000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148426427 (or 1148426411 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 25265380646000 in words is "twenty-five trillion, two hundred sixty-five billion, three hundred eighty million, six hundred forty-six thousand".