25571081334583 has 2 divisors, whose sum is σ = 25571081334584. Its totient is φ = 25571081334582.

The previous prime is 25571081334553. The next prime is 25571081334619. The reversal of 25571081334583 is 38543318017552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25571081334583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25571081334553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12785540667291 + 12785540667292.

It is an arithmetic number, because the mean of its divisors is an integer number (12785540667292).

Almost surely, 2^{25571081334583} is an apocalyptic number.

25571081334583 is a deficient number, since it is larger than the sum of its proper divisors (1).

25571081334583 is an equidigital number, since it uses as much as digits as its factorization.

25571081334583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 25571081334583 in words is "twenty-five trillion, five hundred seventy-one billion, eighty-one million, three hundred thirty-four thousand, five hundred eighty-three".