25555223119 has 2 divisors, whose sum is σ = 25555223120. Its totient is φ = 25555223118.

The previous prime is 25555223093. The next prime is 25555223143. The reversal of 25555223119 is 91132255552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25555223119 - 2⁵ = 25555223087 is a prime.

It is a super-2 number, since 2×25555223119² (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 (25555223179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777611559 + 12777611560.

It is an arithmetic number, because the mean of its divisors is an integer number (12777611560).

Almost surely, 2^25555223119 is an apocalyptic number.

25555223119 is a deficient number, since it is larger than the sum of its proper divisors (1).

25555223119 is an equidigital number, since it uses as much as digits as its factorization.

25555223119 is an evil number, because the sum of its binary digits is even.

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

The spelling of 25555223119 in words is "twenty-five billion, five hundred fifty-five million, two hundred twenty-three thousand, one hundred nineteen".