25791540113877 has 32 divisors (see below), whose sum is σ = 36870154546176. Its totient is φ = 15997161417600.

The previous prime is 25791540113869. The next prime is 25791540113881. The reversal of 25791540113877 is 77831104519752.

It is not a de Polignac number, because 25791540113877 - 2³ = 25791540113869 is a prime.

It is a super-2 number, since 2×25791540113877² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25791540113877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25791540113827) 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, 12835263 + ... + 14708060.

It is an arithmetic number, because the mean of its divisors is an integer number (1152192329568).

Almost surely, 2^{25791540113877} is an apocalyptic number.

It is an amenable number.

25791540113877 is a deficient number, since it is larger than the sum of its proper divisors (11078614432299).

25791540113877 is a wasteful number, since it uses less digits than its factorization.

25791540113877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27543721.

The product of its (nonzero) digits is 14817600, while the sum is 60.

The spelling of 25791540113877 in words is "twenty-five trillion, seven hundred ninety-one billion, five hundred forty million, one hundred thirteen thousand, eight hundred seventy-seven".