25976510511 has 16 divisors (see below), whose sum is σ = 40425452544. Its totient is φ = 14527895904.

The previous prime is 25976510479. The next prime is 25976510533. The reversal of 25976510511 is 11501567952.

It is not a de Polignac number, because 25976510511 - 2⁵ = 25976510479 is a prime.

It is a super-2 number, since 2×25976510511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25976510551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13158340 + ... + 13160313.

It is an arithmetic number, because the mean of its divisors is an integer number (2526590784).

Almost surely, 2^25976510511 is an apocalyptic number.

25976510511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25976510511 is a deficient number, since it is larger than the sum of its proper divisors (14448942033).

25976510511 is a wasteful number, since it uses less digits than its factorization.

25976510511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26318710.

The product of its (nonzero) digits is 94500, while the sum is 42.

The spelling of 25976510511 in words is "twenty-five billion, nine hundred seventy-six million, five hundred ten thousand, five hundred eleven".