1165275430653 has 16 divisors (see below), whose sum is σ = 1582157491200. Its totient is φ = 762731701680.

The previous prime is 1165275430621. The next prime is 1165275430661. The reversal of 1165275430653 is 3560345725611.

It is a happy number.

It is not a de Polignac number, because 1165275430653 - 2⁵ = 1165275430621 is a prime.

It is a super-2 number, since 2×1165275430653² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165275431653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13691583 + ... + 13776428.

It is an arithmetic number, because the mean of its divisors is an integer number (98884843200).

Almost surely, 2^{1165275430653} is an apocalyptic number.

It is an amenable number.

1165275430653 is a deficient number, since it is larger than the sum of its proper divisors (416882060547).

1165275430653 is a wasteful number, since it uses less digits than its factorization.

1165275430653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27468272.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 1165275430653 in words is "one trillion, one hundred sixty-five billion, two hundred seventy-five million, four hundred thirty thousand, six hundred fifty-three".