1151109275 has 12 divisors (see below), whose sum is σ = 1433783232. Its totient is φ = 916753440.

The previous prime is 1151109229. The next prime is 1151109299. The reversal of 1151109275 is 5729011511.

It is a happy number.

It is not a de Polignac number, because 1151109275 - 2¹⁶ = 1151043739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97664 + ... + 108813.

It is an arithmetic number, because the mean of its divisors is an integer number (119481936).

Almost surely, 2^1151109275 is an apocalyptic number.

1151109275 is a deficient number, since it is larger than the sum of its proper divisors (282673957).

1151109275 is a wasteful number, since it uses less digits than its factorization.

1151109275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206710 (or 206705 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 32.

The square root of 1151109275 is about 33928.0013410752. The cubic root of 1151109275 is about 1048.0263074777.

The spelling of 1151109275 in words is "one billion, one hundred fifty-one million, one hundred nine thousand, two hundred seventy-five".