1159164779 has 8 divisors (see below), whose sum is σ = 1172596080. Its totient is φ = 1145772000.

The previous prime is 1159164739. The next prime is 1159164793. The reversal of 1159164779 is 9774619511.

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 1159164779 - 2²⁰ = 1158116203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159164739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53249 + ... + 71789.

It is an arithmetic number, because the mean of its divisors is an integer number (146574510).

Almost surely, 2^1159164779 is an apocalyptic number.

1159164779 is a deficient number, since it is larger than the sum of its proper divisors (13431301).

1159164779 is a wasteful number, since it uses less digits than its factorization.

1159164779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261.

The product of its digits is 476280, while the sum is 50.

The square root of 1159164779 is about 34046.5090574643. The cubic root of 1159164779 is about 1050.4653353916.

The spelling of 1159164779 in words is "one billion, one hundred fifty-nine million, one hundred sixty-four thousand, seven hundred seventy-nine".