1147116579 has 32 divisors (see below), whose sum is σ = 1763414016. Its totient is φ = 649740960.

The previous prime is 1147116571. The next prime is 1147116601. The reversal of 1147116579 is 9756117411.

It is not a de Polignac number, because 1147116579 - 2³ = 1147116571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147116579.

It is not an unprimeable number, because it can be changed into a prime (1147116571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1577514 + ... + 1578240.

It is an arithmetic number, because the mean of its divisors is an integer number (55106688).

Almost surely, 2^1147116579 is an apocalyptic number.

1147116579 is a deficient number, since it is larger than the sum of its proper divisors (616297437).

1147116579 is a wasteful number, since it uses less digits than its factorization.

1147116579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 52920, while the sum is 42.

The square root of 1147116579 is about 33869.1095099945. The cubic root of 1147116579 is about 1046.8131884188.

The spelling of 1147116579 in words is "one billion, one hundred forty-seven million, one hundred sixteen thousand, five hundred seventy-nine".