1159608805 has 4 divisors (see below), whose sum is σ = 1391530572. Its totient is φ = 927687040.

The previous prime is 1159608773. The next prime is 1159608809. The reversal of 1159608805 is 5088069511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145950561 + 1013658244 = 12081^2 + 31838^2 .

It is not a de Polignac number, because 1159608805 - 2⁵ = 1159608773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159608809) 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, 115960876 + ... + 115960885.

It is an arithmetic number, because the mean of its divisors is an integer number (347882643).

Almost surely, 2^1159608805 is an apocalyptic number.

It is an amenable number.

1159608805 is a deficient number, since it is larger than the sum of its proper divisors (231921767).

1159608805 is an equidigital number, since it uses as much as digits as its factorization.

1159608805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231921766.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 1159608805 is about 34053.0293072437. The cubic root of 1159608805 is about 1050.5994475803.

The spelling of 1159608805 in words is "one billion, one hundred fifty-nine million, six hundred eight thousand, eight hundred five".