1165132015 has 4 divisors (see below), whose sum is σ = 1398158424. Its totient is φ = 932105608.

The previous prime is 1165132013. The next prime is 1165132027. The reversal of 1165132015 is 5102315611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1165132015 - 2¹ = 1165132013 is a prime.

It is a super-2 number, since 2×1165132015² = 2715065224755920450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165132013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116513197 + ... + 116513206.

It is an arithmetic number, because the mean of its divisors is an integer number (349539606).

Almost surely, 2^1165132015 is an apocalyptic number.

1165132015 is a deficient number, since it is larger than the sum of its proper divisors (233026409).

1165132015 is an equidigital number, since it uses as much as digits as its factorization.

1165132015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233026408.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1165132015 is about 34134.0301605304. The cubic root of 1165132015 is about 1052.2648060293.

Adding to 1165132015 its reverse (5102315611), we get a palindrome (6267447626).

The spelling of 1165132015 in words is "one billion, one hundred sixty-five million, one hundred thirty-two thousand, fifteen".