1159518653 has 4 divisors (see below), whose sum is σ = 1161939840. Its totient is φ = 1157097468.

The previous prime is 1159518649. The next prime is 1159518667. The reversal of 1159518653 is 3568159511.

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 1159518653 - 2² = 1159518649 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 (1159518053) 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 3 ways as a sum of consecutive naturals, for example, 1209875 + ... + 1210832.

It is an arithmetic number, because the mean of its divisors is an integer number (290484960).

Almost surely, 2^1159518653 is an apocalyptic number.

It is an amenable number.

1159518653 is a deficient number, since it is larger than the sum of its proper divisors (2421187).

1159518653 is an equidigital number, since it uses as much as digits as its factorization.

1159518653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421186.

The product of its digits is 162000, while the sum is 44.

The square root of 1159518653 is about 34051.7055813655. The cubic root of 1159518653 is about 1050.5722211296.

The spelling of 1159518653 in words is "one billion, one hundred fifty-nine million, five hundred eighteen thousand, six hundred fifty-three".