1168055081 has 4 divisors (see below), whose sum is σ = 1176971664. Its totient is φ = 1159138500.

The previous prime is 1168055071. The next prime is 1168055087. The reversal of 1168055081 is 1805508611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1168055081 - 2⁶ = 1168055017 is a prime.

It is a super-2 number, since 2×1168055081² = 2728705344499833122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168055087) 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, 4458095 + ... + 4458356.

It is an arithmetic number, because the mean of its divisors is an integer number (294242916).

Almost surely, 2^1168055081 is an apocalyptic number.

It is an amenable number.

1168055081 is a deficient number, since it is larger than the sum of its proper divisors (8916583).

1168055081 is an equidigital number, since it uses as much as digits as its factorization.

1168055081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916582.

The product of its (nonzero) digits is 9600, while the sum is 35.

The square root of 1168055081 is about 34176.8208146984. The cubic root of 1168055081 is about 1053.1440399731.

The spelling of 1168055081 in words is "one billion, one hundred sixty-eight million, fifty-five thousand, eighty-one".