1199664142211 has 2 divisors, whose sum is σ = 1199664142212. Its totient is φ = 1199664142210.

The previous prime is 1199664142181. The next prime is 1199664142231. The reversal of 1199664142211 is 1122414669911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1199664142211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1199664142231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599832071105 + 599832071106.

It is an arithmetic number, because the mean of its divisors is an integer number (599832071106).

Almost surely, 2^{1199664142211} is an apocalyptic number.

1199664142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199664142211 is an equidigital number, since it uses as much as digits as its factorization.

1199664142211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 47.

The spelling of 1199664142211 in words is "one trillion, one hundred ninety-nine billion, six hundred sixty-four million, one hundred forty-two thousand, two hundred eleven".