1150531775 has 12 divisors (see below), whose sum is σ = 1429795392. Its totient is φ = 918402240.

The previous prime is 1150531769. The next prime is 1150531777. The reversal of 1150531775 is 5771350511.

It is not a de Polignac number, because 1150531775 - 2²² = 1146337471 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 (1150531777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38927 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (119149616).

Almost surely, 2^1150531775 is an apocalyptic number.

1150531775 is a deficient number, since it is larger than the sum of its proper divisors (279263617).

1150531775 is a wasteful number, since it uses less digits than its factorization.

1150531775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101170 (or 101165 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 35.

The square root of 1150531775 is about 33919.4896040610. The cubic root of 1150531775 is about 1047.8510167249.

The spelling of 1150531775 in words is "one billion, one hundred fifty million, five hundred thirty-one thousand, seven hundred seventy-five".