25874415011831 has 2 divisors, whose sum is σ = 25874415011832. Its totient is φ = 25874415011830.

The previous prime is 25874415011791. The next prime is 25874415011857. The reversal of 25874415011831 is 13811051447852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25874415011831 - 2¹⁴ = 25874414995447 is a prime.

It is a super-4 number, since 4×25874415011831⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25874415011831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25874415017831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12937207505915 + 12937207505916.

It is an arithmetic number, because the mean of its divisors is an integer number (12937207505916).

Almost surely, 2^{25874415011831} is an apocalyptic number.

25874415011831 is a deficient number, since it is larger than the sum of its proper divisors (1).

25874415011831 is an equidigital number, since it uses as much as digits as its factorization.

25874415011831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 25874415011831 in words is "twenty-five trillion, eight hundred seventy-four billion, four hundred fifteen million, eleven thousand, eight hundred thirty-one".