25747051672 has 16 divisors (see below), whose sum is σ = 49940402400. Its totient is φ = 12429611040.

The previous prime is 25747051661. The next prime is 25747051679. The reversal of 25747051672 is 27615074752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25747051679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55489104 + ... + 55489567.

It is an arithmetic number, because the mean of its divisors is an integer number (3121275150).

Almost surely, 2^25747051672 is an apocalyptic number.

It is an amenable number.

25747051672 is a deficient number, since it is larger than the sum of its proper divisors (24193350728).

25747051672 is a wasteful number, since it uses less digits than its factorization.

25747051672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110978706 (or 110978702 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 25747051672 in words is "twenty-five billion, seven hundred forty-seven million, fifty-one thousand, six hundred seventy-two".