25125055999 has 2 divisors, whose sum is σ = 25125056000. Its totient is φ = 25125055998.

The previous prime is 25125055933. The next prime is 25125056017. The reversal of 25125055999 is 99955052152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25125055999 - 2¹³ = 25125047807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25125055909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562527999 + 12562528000.

It is an arithmetic number, because the mean of its divisors is an integer number (12562528000).

Almost surely, 2^25125055999 is an apocalyptic number.

25125055999 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125055999 is an equidigital number, since it uses as much as digits as its factorization.

25125055999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1822500, while the sum is 52.

The spelling of 25125055999 in words is "twenty-five billion, one hundred twenty-five million, fifty-five thousand, nine hundred ninety-nine".