1179112389987 has 18 divisors (see below), whose sum is σ = 1828847800524. Its totient is φ = 673770985440.

The previous prime is 1179112389907. The next prime is 1179112389991. The reversal of 1179112389987 is 7899832119711.

It is not a de Polignac number, because 1179112389987 - 2⁷ = 1179112389859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1179112389907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13120687 + ... + 13210247.

Almost surely, 2^{1179112389987} is an apocalyptic number.

1179112389987 is a deficient number, since it is larger than the sum of its proper divisors (649735410537).

1179112389987 is an frugal number, since it uses more digits than its factorization.

1179112389987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179139 (or 89571 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 66.

The spelling of 1179112389987 in words is "one trillion, one hundred seventy-nine billion, one hundred twelve million, three hundred eighty-nine thousand, nine hundred eighty-seven".