25550451319 has 2 divisors, whose sum is σ = 25550451320. Its totient is φ = 25550451318.

The previous prime is 25550451259. The next prime is 25550451371. The reversal of 25550451319 is 91315405552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25550451319 - 2¹⁹ = 25549927031 is a prime.

It is a super-2 number, since 2×25550451319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25550751319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775225659 + 12775225660.

It is an arithmetic number, because the mean of its divisors is an integer number (12775225660).

Almost surely, 2^25550451319 is an apocalyptic number.

25550451319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25550451319 is an equidigital number, since it uses as much as digits as its factorization.

25550451319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 25550451319 in words is "twenty-five billion, five hundred fifty million, four hundred fifty-one thousand, three hundred nineteen".