25941535536 has 80 divisors (see below), whose sum is σ = 76757341184. Its totient is φ = 7395604992.

The previous prime is 25941535519. The next prime is 25941535541. The reversal of 25941535536 is 63553514952.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69081 + ... + 238023.

Almost surely, 2^25941535536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25941535536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38378670592).

25941535536 is an abundant number, since it is smaller than the sum of its proper divisors (50815805648).

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

25941535536 is a wasteful number, since it uses less digits than its factorization.

25941535536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169418 (or 169412 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 48.

The spelling of 25941535536 in words is "twenty-five billion, nine hundred forty-one million, five hundred thirty-five thousand, five hundred thirty-six".