1179911291158 has 16 divisors (see below), whose sum is σ = 1781351122320. Its totient is φ = 586135535616.

The previous prime is 1179911291107. The next prime is 1179911291161. The reversal of 1179911291158 is 8511921199711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1179911291099 and 1179911291108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690660 + ... + 2284327.

It is an arithmetic number, because the mean of its divisors is an integer number (111334445145).

Almost surely, 2^{1179911291158} is an apocalyptic number.

1179911291158 is a deficient number, since it is larger than the sum of its proper divisors (601439831162).

1179911291158 is a wasteful number, since it uses less digits than its factorization.

1179911291158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975951.

The product of its digits is 408240, while the sum is 55.

The spelling of 1179911291158 in words is "one trillion, one hundred seventy-nine billion, nine hundred eleven million, two hundred ninety-one thousand, one hundred fifty-eight".