5055105099991 has 2 divisors, whose sum is σ = 5055105099992. Its totient is φ = 5055105099990.

The previous prime is 5055105099953. The next prime is 5055105100007. The reversal of 5055105099991 is 1999905015505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5055105099991 - 2³³ = 5046515165399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5055105099931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527552549995 + 2527552549996.

It is an arithmetic number, because the mean of its divisors is an integer number (2527552549996).

Almost surely, 2^{5055105099991} is an apocalyptic number.

5055105099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055105099991 is an equidigital number, since it uses as much as digits as its factorization.

5055105099991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4100625, while the sum is 58.

The spelling of 5055105099991 in words is "five trillion, fifty-five billion, one hundred five million, ninety-nine thousand, nine hundred ninety-one".