1161179563 has 8 divisors (see below), whose sum is σ = 1169653248. Its totient is φ = 1152722664.

The previous prime is 1161179549. The next prime is 1161179609. The reversal of 1161179563 is 3659711611.

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 1161179563 - 2¹⁷ = 1161048491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161179533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156606 + ... + 163852.

It is an arithmetic number, because the mean of its divisors is an integer number (146206656).

Almost surely, 2^1161179563 is an apocalyptic number.

1161179563 is a deficient number, since it is larger than the sum of its proper divisors (8473685).

1161179563 is an equidigital number, since it uses as much as digits as its factorization.

1161179563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393.

The product of its digits is 34020, while the sum is 40.

The square root of 1161179563 is about 34076.0849130295. The cubic root of 1161179563 is about 1051.0735997040.

The spelling of 1161179563 in words is "one billion, one hundred sixty-one million, one hundred seventy-nine thousand, five hundred sixty-three".