1150116155 has 4 divisors (see below), whose sum is σ = 1380139392. Its totient is φ = 920092920.

The previous prime is 1150116137. The next prime is 1150116161. The reversal of 1150116155 is 5516110511.

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

It is not a de Polignac number, because 1150116155 - 2⁶ = 1150116091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115011611 + ... + 115011620.

It is an arithmetic number, because the mean of its divisors is an integer number (345034848).

Almost surely, 2^1150116155 is an apocalyptic number.

1150116155 is a deficient number, since it is larger than the sum of its proper divisors (230023237).

1150116155 is an equidigital number, since it uses as much as digits as its factorization.

1150116155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230023236.

The product of its (nonzero) digits is 750, while the sum is 26.

The square root of 1150116155 is about 33913.3624844249. The cubic root of 1150116155 is about 1047.7248257175.

Adding to 1150116155 its reverse (5516110511), we get a palindrome (6666226666).

The spelling of 1150116155 in words is "one billion, one hundred fifty million, one hundred sixteen thousand, one hundred fifty-five".