11166566051 has 2 divisors, whose sum is σ = 11166566052. Its totient is φ = 11166566050.

The previous prime is 11166566041. The next prime is 11166566053. The reversal of 11166566051 is 15066566111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11166566051 is a prime.

Together with 11166566053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11166565996 and 11166566014.

It is not a weakly prime, because it can be changed into another prime (11166566053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583283025 + 5583283026.

It is an arithmetic number, because the mean of its divisors is an integer number (5583283026).

Almost surely, 2^11166566051 is an apocalyptic number.

11166566051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166566051 is an equidigital number, since it uses as much as digits as its factorization.

11166566051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 11166566051 in words is "eleven billion, one hundred sixty-six million, five hundred sixty-six thousand, fifty-one".