1166601055259 has 2 divisors, whose sum is σ = 1166601055260. Its totient is φ = 1166601055258.

The previous prime is 1166601055141. The next prime is 1166601055289. The reversal of 1166601055259 is 9525501066611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166601055259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166601055289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583300527629 + 583300527630.

It is an arithmetic number, because the mean of its divisors is an integer number (583300527630).

Almost surely, 2^{1166601055259} is an apocalyptic number.

1166601055259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166601055259 is an equidigital number, since it uses as much as digits as its factorization.

1166601055259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 1166601055259 in words is "one trillion, one hundred sixty-six billion, six hundred one million, fifty-five thousand, two hundred fifty-nine".