25890131903 has 2 divisors, whose sum is σ = 25890131904. Its totient is φ = 25890131902.

The previous prime is 25890131879. The next prime is 25890131909. The reversal of 25890131903 is 30913109852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25890131903 - 2¹² = 25890127807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25890131909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945065951 + 12945065952.

It is an arithmetic number, because the mean of its divisors is an integer number (12945065952).

Almost surely, 2^25890131903 is an apocalyptic number.

25890131903 is a deficient number, since it is larger than the sum of its proper divisors (1).

25890131903 is an equidigital number, since it uses as much as digits as its factorization.

25890131903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 25890131903 in words is "twenty-five billion, eight hundred ninety million, one hundred thirty-one thousand, nine hundred three".