1165063013 has 8 divisors (see below), whose sum is σ = 1187923968. Its totient is φ = 1142234704.

The previous prime is 1165063001. The next prime is 1165063019. The reversal of 1165063013 is 3103605611.

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 1165063013 - 2²⁶ = 1097954149 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 (1165063019) 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, 71420 + ... + 86202.

It is an arithmetic number, because the mean of its divisors is an integer number (148490496).

Almost surely, 2^1165063013 is an apocalyptic number.

It is an amenable number.

1165063013 is a deficient number, since it is larger than the sum of its proper divisors (22860955).

1165063013 is a wasteful number, since it uses less digits than its factorization.

1165063013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1165063013 is about 34133.0193947151. The cubic root of 1165063013 is about 1052.2440330444.

Adding to 1165063013 its reverse (3103605611), we get a palindrome (4268668624).

The spelling of 1165063013 in words is "one billion, one hundred sixty-five million, sixty-three thousand, thirteen".