12177866011 has 2 divisors, whose sum is σ = 12177866012. Its totient is φ = 12177866010.

The previous prime is 12177865993. The next prime is 12177866039. The reversal of 12177866011 is 11066877121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12177866011 - 2⁷ = 12177865883 is a prime.

It is not a weakly prime, because it can be changed into another prime (12177866081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6088933005 + 6088933006.

It is an arithmetic number, because the mean of its divisors is an integer number (6088933006).

Almost surely, 2^12177866011 is an apocalyptic number.

12177866011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12177866011 is an equidigital number, since it uses as much as digits as its factorization.

12177866011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 12177866011 in words is "twelve billion, one hundred seventy-seven million, eight hundred sixty-six thousand, eleven".