5155066662091 has 2 divisors, whose sum is σ = 5155066662092. Its totient is φ = 5155066662090.

The previous prime is 5155066662017. The next prime is 5155066662181. The reversal of 5155066662091 is 1902666605515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5155066662091 - 2²³ = 5155058273483 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155066662791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577533331045 + 2577533331046.

It is an arithmetic number, because the mean of its divisors is an integer number (2577533331046).

Almost surely, 2^{5155066662091} is an apocalyptic number.

5155066662091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155066662091 is an equidigital number, since it uses as much as digits as its factorization.

5155066662091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 5155066662091 in words is "five trillion, one hundred fifty-five billion, sixty-six million, six hundred sixty-two thousand, ninety-one".