1159195465 has 4 divisors (see below), whose sum is σ = 1391034564. Its totient is φ = 927356368.

The previous prime is 1159195447. The next prime is 1159195547. The reversal of 1159195465 is 5645919511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259435449 + 899760016 = 16107^2 + 29996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159195465 - 2¹¹ = 1159193417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115919542 + ... + 115919551.

It is an arithmetic number, because the mean of its divisors is an integer number (347758641).

Almost surely, 2^1159195465 is an apocalyptic number.

It is an amenable number.

1159195465 is a deficient number, since it is larger than the sum of its proper divisors (231839099).

1159195465 is an equidigital number, since it uses as much as digits as its factorization.

1159195465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231839098.

The product of its digits is 243000, while the sum is 46.

The square root of 1159195465 is about 34046.9597027400. The cubic root of 1159195465 is about 1050.4746047941.

The spelling of 1159195465 in words is "one billion, one hundred fifty-nine million, one hundred ninety-five thousand, four hundred sixty-five".