25926811157 has 32 divisors (see below), whose sum is σ = 30456545280. Its totient is φ = 21872410560.

The previous prime is 25926811147. The next prime is 25926811187. The reversal of 25926811157 is 75111862952.

It is a happy number.

It is not a de Polignac number, because 25926811157 - 2¹² = 25926807061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25926811147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714548 + ... + 749954.

It is an arithmetic number, because the mean of its divisors is an integer number (951767040).

Almost surely, 2^25926811157 is an apocalyptic number.

It is an amenable number.

25926811157 is a deficient number, since it is larger than the sum of its proper divisors (4529734123).

25926811157 is a wasteful number, since it uses less digits than its factorization.

25926811157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35553.

The product of its digits is 302400, while the sum is 47.

The spelling of 25926811157 in words is "twenty-five billion, nine hundred twenty-six million, eight hundred eleven thousand, one hundred fifty-seven".