1165112353 has 4 divisors (see below), whose sum is σ = 1184860080. Its totient is φ = 1145364628.

The previous prime is 1165112341. The next prime is 1165112359. The reversal of 1165112353 is 3532115611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1165112353 - 2⁵ = 1165112321 is a prime.

It is a super-2 number, since 2×1165112353² = 2714973590226393218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165112359) 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, 9873775 + ... + 9873892.

It is an arithmetic number, because the mean of its divisors is an integer number (296215020).

Almost surely, 2^1165112353 is an apocalyptic number.

It is an amenable number.

1165112353 is a deficient number, since it is larger than the sum of its proper divisors (19747727).

1165112353 is an equidigital number, since it uses as much as digits as its factorization.

1165112353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747726.

The product of its digits is 2700, while the sum is 28.

The square root of 1165112353 is about 34133.7421476169. The cubic root of 1165112353 is about 1052.2588868869.

Adding to 1165112353 its reverse (3532115611), we get a palindrome (4697227964).

The spelling of 1165112353 in words is "one billion, one hundred sixty-five million, one hundred twelve thousand, three hundred fifty-three".