1165375013 has 8 divisors (see below), whose sum is σ = 1338229920. Its totient is φ = 1003672080.

The previous prime is 1165375009. The next prime is 1165375087. The reversal of 1165375013 is 3105735611.

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

It is a cyclic number.

It is not a de Polignac number, because 1165375013 - 2² = 1165375009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165375093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787770 + ... + 2788187.

It is an arithmetic number, because the mean of its divisors is an integer number (167278740).

Almost surely, 2^1165375013 is an apocalyptic number.

It is an amenable number.

1165375013 is a deficient number, since it is larger than the sum of its proper divisors (172854907).

1165375013 is a wasteful number, since it uses less digits than its factorization.

1165375013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575987.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1165375013 is about 34137.5894433101. The cubic root of 1165375013 is about 1052.3379538118.

The spelling of 1165375013 in words is "one billion, one hundred sixty-five million, three hundred seventy-five thousand, thirteen".