5291251949911 has 2 divisors, whose sum is σ = 5291251949912. Its totient is φ = 5291251949910.

The previous prime is 5291251949899. The next prime is 5291251949933. The reversal of 5291251949911 is 1199491521925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5291251949911 - 2²⁵ = 5291218395479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5291251949111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2645625974955 + 2645625974956.

It is an arithmetic number, because the mean of its divisors is an integer number (2645625974956).

Almost surely, 2^{5291251949911} is an apocalyptic number.

5291251949911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5291251949911 is an equidigital number, since it uses as much as digits as its factorization.

5291251949911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 58.

The spelling of 5291251949911 in words is "five trillion, two hundred ninety-one billion, two hundred fifty-one million, nine hundred forty-nine thousand, nine hundred eleven".