25550060099 has 2 divisors, whose sum is σ = 25550060100. Its totient is φ = 25550060098.

The previous prime is 25550060047. The next prime is 25550060101. The reversal of 25550060099 is 99006005552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25550060099 - 2¹² = 25550056003 is a prime.

Together with 25550060101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25550090099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775030049 + 12775030050.

It is an arithmetic number, because the mean of its divisors is an integer number (12775030050).

Almost surely, 2^25550060099 is an apocalyptic number.

25550060099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25550060099 is an equidigital number, since it uses as much as digits as its factorization.

25550060099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The spelling of 25550060099 in words is "twenty-five billion, five hundred fifty million, sixty thousand, ninety-nine".