5111061110591 has 2 divisors, whose sum is σ = 5111061110592. Its totient is φ = 5111061110590.

The previous prime is 5111061110549. The next prime is 5111061110611. The reversal of 5111061110591 is 1950111601115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5111061110591 - 2²⁶ = 5110994001727 is a prime.

It is a super-2 number, since 2×5111061110591² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111061110521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555530555295 + 2555530555296.

It is an arithmetic number, because the mean of its divisors is an integer number (2555530555296).

Almost surely, 2^{5111061110591} is an apocalyptic number.

5111061110591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111061110591 is an equidigital number, since it uses as much as digits as its factorization.

5111061110591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 32.

The spelling of 5111061110591 in words is "five trillion, one hundred eleven billion, sixty-one million, one hundred ten thousand, five hundred ninety-one".