25555005002999 has 2 divisors, whose sum is σ = 25555005003000. Its totient is φ = 25555005002998.

The previous prime is 25555005002983. The next prime is 25555005003029. The reversal of 25555005002999 is 99920050055552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25555005002999 - 2⁴ = 25555005002983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25555005002399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777502501499 + 12777502501500.

It is an arithmetic number, because the mean of its divisors is an integer number (12777502501500).

Almost surely, 2^{25555005002999} is an apocalyptic number.

25555005002999 is a deficient number, since it is larger than the sum of its proper divisors (1).

25555005002999 is an equidigital number, since it uses as much as digits as its factorization.

25555005002999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9112500, while the sum is 56.

The spelling of 25555005002999 in words is "twenty-five trillion, five hundred fifty-five billion, five million, two thousand, nine hundred ninety-nine".