1130515665 has 32 divisors (see below), whose sum is σ = 1894302720. Its totient is φ = 574639296.

The previous prime is 1130515663. The next prime is 1130515667. The reversal of 1130515665 is 5665150311.

1130515665 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1130515663) and next prime (1130515667).

It is not a de Polignac number, because 1130515665 - 2¹ = 1130515663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130515663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91846 + ... + 103424.

It is an arithmetic number, because the mean of its divisors is an integer number (59196960).

Almost surely, 2^1130515665 is an apocalyptic number.

1130515665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1130515665 is a deficient number, since it is larger than the sum of its proper divisors (763787055).

1130515665 is a wasteful number, since it uses less digits than its factorization.

1130515665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11893.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1130515665 is about 33623.1418073921. The cubic root of 1130515665 is about 1041.7388517301.

Adding to 1130515665 its reverse (5665150311), we get a palindrome (6795665976).

The spelling of 1130515665 in words is "one billion, one hundred thirty million, five hundred fifteen thousand, six hundred sixty-five".