25855571428373 has 2 divisors, whose sum is σ = 25855571428374. Its totient is φ = 25855571428372.

The previous prime is 25855571428333. The next prime is 25855571428387. The reversal of 25855571428373 is 37382417555852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14883531294724 + 10972040133649 = 3857918^2 + 3312407^2 .

It is a cyclic number.

It is not a de Polignac number, because 25855571428373 - 2¹⁰ = 25855571427349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25855571428303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927785714186 + 12927785714187.

It is an arithmetic number, because the mean of its divisors is an integer number (12927785714187).

Almost surely, 2^{25855571428373} is an apocalyptic number.

It is an amenable number.

25855571428373 is a deficient number, since it is larger than the sum of its proper divisors (1).

25855571428373 is an equidigital number, since it uses as much as digits as its factorization.

25855571428373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240000, while the sum is 65.

The spelling of 25855571428373 in words is "twenty-five trillion, eight hundred fifty-five billion, five hundred seventy-one million, four hundred twenty-eight thousand, three hundred seventy-three".