5055505555091 has 2 divisors, whose sum is σ = 5055505555092. Its totient is φ = 5055505555090.

The previous prime is 5055505555057. The next prime is 5055505555097. The reversal of 5055505555091 is 1905555055505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5055505555091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5055505555097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527752777545 + 2527752777546.

It is an arithmetic number, because the mean of its divisors is an integer number (2527752777546).

Almost surely, 2^{5055505555091} is an apocalyptic number.

5055505555091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055505555091 is an equidigital number, since it uses as much as digits as its factorization.

5055505555091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3515625, while the sum is 50.

The spelling of 5055505555091 in words is "five trillion, fifty-five billion, five hundred five million, five hundred fifty-five thousand, ninety-one".