20116111757711 has 2 divisors, whose sum is σ = 20116111757712. Its totient is φ = 20116111757710.

The previous prime is 20116111757701. The next prime is 20116111757783. The reversal of 20116111757711 is 11775711161102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20116111757711 - 2³⁰ = 20115038015887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116111757701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058055878855 + 10058055878856.

It is an arithmetic number, because the mean of its divisors is an integer number (10058055878856).

Almost surely, 2^{20116111757711} is an apocalyptic number.

20116111757711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116111757711 is an equidigital number, since it uses as much as digits as its factorization.

20116111757711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 41.

The spelling of 20116111757711 in words is "twenty trillion, one hundred sixteen billion, one hundred eleven million, seven hundred fifty-seven thousand, seven hundred eleven".