51202166593111 has 2 divisors, whose sum is σ = 51202166593112. Its totient is φ = 51202166593110.

The previous prime is 51202166593069. The next prime is 51202166593147. The reversal of 51202166593111 is 11139566120215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51202166593111 - 2²⁷ = 51202032375383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51202166593211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25601083296555 + 25601083296556.

It is an arithmetic number, because the mean of its divisors is an integer number (25601083296556).

Almost surely, 2^{51202166593111} is an apocalyptic number.

51202166593111 is a deficient number, since it is larger than the sum of its proper divisors (1).

51202166593111 is an equidigital number, since it uses as much as digits as its factorization.

51202166593111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 51202166593111 in words is "fifty-one trillion, two hundred two billion, one hundred sixty-six million, five hundred ninety-three thousand, one hundred eleven".