151116565 has 4 divisors (see below), whose sum is σ = 181339884. Its totient is φ = 120893248.

The previous prime is 151116551. The next prime is 151116631. The reversal of 151116565 is 565611151.

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 41139396 + 109977169 = 6414^2 + 10487^2 .

It is a cyclic number.

It is not a de Polignac number, because 151116565 - 2⁷ = 151116437 is a prime.

It is a Duffinian number.

It is a congruent 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, 15111652 + ... + 15111661.

It is an arithmetic number, because the mean of its divisors is an integer number (45334971).

Almost surely, 2^151116565 is an apocalyptic number.

It is an amenable number.

151116565 is a deficient number, since it is larger than the sum of its proper divisors (30223319).

151116565 is an equidigital number, since it uses as much as digits as its factorization.

151116565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30223318.

The product of its digits is 4500, while the sum is 31.

The square root of 151116565 is about 12292.9477750457. The cubic root of 151116565 is about 532.6443905942.

The spelling of 151116565 in words is "one hundred fifty-one million, one hundred sixteen thousand, five hundred sixty-five".