25926883091 has 2 divisors, whose sum is σ = 25926883092. Its totient is φ = 25926883090.

The previous prime is 25926883063. The next prime is 25926883109. The reversal of 25926883091 is 19038862952.

Together with next prime (25926883109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25926883091 - 2¹⁰ = 25926882067 is a prime.

It is not a weakly prime, because it can be changed into another prime (25926883291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963441545 + 12963441546.

It is an arithmetic number, because the mean of its divisors is an integer number (12963441546).

Almost surely, 2^25926883091 is an apocalyptic number.

25926883091 is a deficient number, since it is larger than the sum of its proper divisors (1).

25926883091 is an equidigital number, since it uses as much as digits as its factorization.

25926883091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 25926883091 in words is "twenty-five billion, nine hundred twenty-six million, eight hundred eighty-three thousand, ninety-one".