1155841163 has 4 divisors (see below), whose sum is σ = 1172120688. Its totient is φ = 1139561640.

The previous prime is 1155841147. The next prime is 1155841213. The reversal of 1155841163 is 3611485511.

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

It is a cyclic number.

It is not a de Polignac number, because 1155841163 - 2⁴ = 1155841147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155841133) 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, 8139656 + ... + 8139797.

It is an arithmetic number, because the mean of its divisors is an integer number (293030172).

Almost surely, 2^1155841163 is an apocalyptic number.

1155841163 is a deficient number, since it is larger than the sum of its proper divisors (16279525).

1155841163 is an equidigital number, since it uses as much as digits as its factorization.

1155841163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16279524.

The product of its digits is 14400, while the sum is 35.

The square root of 1155841163 is about 33997.6640815218. The cubic root of 1155841163 is about 1049.4603918215.

The spelling of 1155841163 in words is "one billion, one hundred fifty-five million, eight hundred forty-one thousand, one hundred sixty-three".