25261756534142 has 16 divisors (see below), whose sum is σ = 37960473422160. Its totient is φ = 12608266025472.

The previous prime is 25261756534141. The next prime is 25261756534331. The reversal of 25261756534142 is 24143565716252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261756534141) 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, 121834334 + ... + 122041502.

It is an arithmetic number, because the mean of its divisors is an integer number (2372529588885).

Almost surely, 2^{25261756534142} is an apocalyptic number.

25261756534142 is a deficient number, since it is larger than the sum of its proper divisors (12698716888018).

25261756534142 is a wasteful number, since it uses less digits than its factorization.

25261756534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316027.

The product of its digits is 12096000, while the sum is 53.

The spelling of 25261756534142 in words is "twenty-five trillion, two hundred sixty-one billion, seven hundred fifty-six million, five hundred thirty-four thousand, one hundred forty-two".