25761298751732 has 6 divisors (see below), whose sum is σ = 45082272815538. Its totient is φ = 12880649375864.

The previous prime is 25761298751731. The next prime is 25761298751767. The reversal of 25761298751732 is 23715789216752.

It can be written as a sum of positive squares in only one way, i.e., 19011466125796 + 6749832625936 = 4360214^2 + 2598044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25761298751731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220162343963 + ... + 3220162343970.

It is an arithmetic number, because the mean of its divisors is an integer number (7513712135923).

Almost surely, 2^{25761298751732} is an apocalyptic number.

It is an amenable number.

25761298751732 is a deficient number, since it is larger than the sum of its proper divisors (19320974063806).

25761298751732 is a wasteful number, since it uses less digits than its factorization.

25761298751732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440324687937 (or 6440324687935 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 65.

The spelling of 25761298751732 in words is "twenty-five trillion, seven hundred sixty-one billion, two hundred ninety-eight million, seven hundred fifty-one thousand, seven hundred thirty-two".