1166519988139 has 24 divisors (see below), whose sum is σ = 1327231829504. Its totient is φ = 1023686294400.

The previous prime is 1166519988103. The next prime is 1166519988167. The reversal of 1166519988139 is 9318899156611.

It is not a de Polignac number, because 1166519988139 - 2¹¹ = 1166519986091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166519988839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457242 + ... + 1594399.

Almost surely, 2^{1166519988139} is an apocalyptic number.

1166519988139 is a deficient number, since it is larger than the sum of its proper divisors (160711841365).

1166519988139 is a wasteful number, since it uses less digits than its factorization.

1166519988139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051827 (or 2051816 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 67.

The spelling of 1166519988139 in words is "one trillion, one hundred sixty-six billion, five hundred nineteen million, nine hundred eighty-eight thousand, one hundred thirty-nine".