1166011232399 has 8 divisors (see below), whose sum is σ = 1255720684512. Its totient is φ = 1076304106080.

The previous prime is 1166011232381. The next prime is 1166011232413. The reversal of 1166011232399 is 9932321106611.

It is a Cunningham number, because it is equal to 1079820²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166011232399 - 2²⁰ = 1166010183823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166011232699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539909 + ... + 1619729.

It is an arithmetic number, because the mean of its divisors is an integer number (156965085564).

Almost surely, 2^{1166011232399} is an apocalyptic number.

1166011232399 is a deficient number, since it is larger than the sum of its proper divisors (89709452113).

1166011232399 is a wasteful number, since it uses less digits than its factorization.

1166011232399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162897.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 1166011232399 in words is "one trillion, one hundred sixty-six billion, eleven million, two hundred thirty-two thousand, three hundred ninety-nine".