25941843516 has 24 divisors (see below), whose sum is σ = 60541079760. Its totient is φ = 8645836672.

The previous prime is 25941843511. The next prime is 25941843527. The reversal of 25941843516 is 61534814952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25941843511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104451 + ... + 250586.

It is an arithmetic number, because the mean of its divisors is an integer number (2522544990).

Almost surely, 2^25941843516 is an apocalyptic number.

It is an amenable number.

25941843516 is an abundant number, since it is smaller than the sum of its proper divisors (34599236244).

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

25941843516 is a wasteful number, since it uses less digits than its factorization.

25941843516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361133 (or 361131 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 25941843516 in words is "twenty-five billion, nine hundred forty-one million, eight hundred forty-three thousand, five hundred sixteen".