1157585183 has 4 divisors (see below), whose sum is σ = 1172238240. Its totient is φ = 1142932128.

The previous prime is 1157585179. The next prime is 1157585213. The reversal of 1157585183 is 3815857511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3815857511 = 28283 ⋅134917.

It is a cyclic number.

It is not a de Polignac number, because 1157585183 - 2² = 1157585179 is a prime.

It is a super-2 number, since 2×1157585183² = 2680006911802286978, 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 (1157585683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7326410 + ... + 7326567.

It is an arithmetic number, because the mean of its divisors is an integer number (293059560).

Almost surely, 2^1157585183 is an apocalyptic number.

1157585183 is a deficient number, since it is larger than the sum of its proper divisors (14653057).

1157585183 is an equidigital number, since it uses as much as digits as its factorization.

1157585183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653056.

The product of its digits is 168000, while the sum is 44.

The square root of 1157585183 is about 34023.3035286111. The cubic root of 1157585183 is about 1049.9879614644.

The spelling of 1157585183 in words is "one billion, one hundred fifty-seven million, five hundred eighty-five thousand, one hundred eighty-three".