1179769817956 has 12 divisors (see below), whose sum is σ = 2090731323520. Its totient is φ = 582418011240.

The previous prime is 1179769817951. The next prime is 1179769817957. The reversal of 1179769817956 is 6597189679711.

It is not an unprimeable number, because it can be changed into a prime (1179769817951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866724080 + ... + 1866724711.

Almost surely, 2^{1179769817956} is an apocalyptic number.

It is an amenable number.

1179769817956 is a deficient number, since it is larger than the sum of its proper divisors (910961505564).

1179769817956 is a wasteful number, since it uses less digits than its factorization.

1179769817956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733448874 (or 3733448872 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 76.

The spelling of 1179769817956 in words is "one trillion, one hundred seventy-nine billion, seven hundred sixty-nine million, eight hundred seventeen thousand, nine hundred fifty-six".