25641137112 has 32 divisors (see below), whose sum is σ = 64127738880. Its totient is φ = 8543726240.

The previous prime is 25641137083. The next prime is 25641137131. The reversal of 25641137112 is 21173114652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143988 + ... + 268355.

It is an arithmetic number, because the mean of its divisors is an integer number (2003991840).

Almost surely, 2^25641137112 is an apocalyptic number.

It is an amenable number.

25641137112 is an abundant number, since it is smaller than the sum of its proper divisors (38486601768).

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

25641137112 is a wasteful number, since it uses less digits than its factorization.

25641137112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414943 (or 414939 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The spelling of 25641137112 in words is "twenty-five billion, six hundred forty-one million, one hundred thirty-seven thousand, one hundred twelve".