25261053011402 has 96 divisors (see below), whose sum is σ = 41759132266800. Its totient is φ = 11453284417536.

The previous prime is 25261053011317. The next prime is 25261053011407. The reversal of 25261053011402 is 20411035016252.

It can be written as a sum of positive squares in 24 ways, for example, as 14829438511801 + 10431614499601 = 3850901^2 + 3229801^2 .

It is not an unprimeable number, because it can be changed into a prime (25261053011407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8916713378 + ... + 8916716210.

Almost surely, 2^{25261053011402} is an apocalyptic number.

25261053011402 is a deficient number, since it is larger than the sum of its proper divisors (16498079255398).

25261053011402 is a wasteful number, since it uses less digits than its factorization.

25261053011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 25261053011402 its reverse (20411035016252), we get a palindrome (45672088027654).

The spelling of 25261053011402 in words is "twenty-five trillion, two hundred sixty-one billion, fifty-three million, eleven thousand, four hundred two".