1160564855 has 4 divisors (see below), whose sum is σ = 1392677832. Its totient is φ = 928451880.

The previous prime is 1160564851. The next prime is 1160564879. The reversal of 1160564855 is 5584650611.

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

It is not a de Polignac number, because 1160564855 - 2² = 1160564851 is a prime.

It is a super-2 number, since 2×1160564855² = 2693821565322342050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160564851) 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, 116056481 + ... + 116056490.

It is an arithmetic number, because the mean of its divisors is an integer number (348169458).

Almost surely, 2^1160564855 is an apocalyptic number.

1160564855 is a deficient number, since it is larger than the sum of its proper divisors (232112977).

1160564855 is an equidigital number, since it uses as much as digits as its factorization.

1160564855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232112976.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 1160564855 is about 34067.0640795476. The cubic root of 1160564855 is about 1050.8880936846. Note that the first 3 decimals are identical.

The spelling of 1160564855 in words is "one billion, one hundred sixty million, five hundred sixty-four thousand, eight hundred fifty-five".