1165052425213 has 4 divisors (see below), whose sum is σ = 1165075987900. Its totient is φ = 1165028862528.

The previous prime is 1165052425193. The next prime is 1165052425247. The reversal of 1165052425213 is 3125242505611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 851858853444 + 313193571769 = 922962^2 + 559637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165052425213 - 2¹³ = 1165052417021 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 (1165052425253) 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, 11707020 + ... + 11806117.

It is an arithmetic number, because the mean of its divisors is an integer number (291268996975).

Almost surely, 2^{1165052425213} is an apocalyptic number.

It is an amenable number.

1165052425213 is a deficient number, since it is larger than the sum of its proper divisors (23562687).

1165052425213 is an equidigital number, since it uses as much as digits as its factorization.

1165052425213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23562686.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 1165052425213 in words is "one trillion, one hundred sixty-five billion, fifty-two million, four hundred twenty-five thousand, two hundred thirteen".