1150115665 has 8 divisors (see below), whose sum is σ = 1380328488. Its totient is φ = 919966080.

The previous prime is 1150115651. The next prime is 1150115693. The reversal of 1150115665 is 5665110511.

1150115665 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 1129766544 = 4511^2 + 33612^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1150115665 - 2¹¹ = 1150113617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46635 + ... + 66895.

It is an arithmetic number, because the mean of its divisors is an integer number (172541061).

Almost surely, 2^1150115665 is an apocalyptic number.

It is an amenable number.

1150115665 is a deficient number, since it is larger than the sum of its proper divisors (230212823).

1150115665 is a wasteful number, since it uses less digits than its factorization.

1150115665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31619.

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

The square root of 1150115665 is about 33913.3552601331. The cubic root of 1150115665 is about 1047.7246769252.

The spelling of 1150115665 in words is "one billion, one hundred fifty million, one hundred fifteen thousand, six hundred sixty-five".