11143652173 has 4 divisors (see below), whose sum is σ = 11145116700. Its totient is φ = 11142187648.

The previous prime is 11143652161. The next prime is 11143652287. The reversal of 11143652173 is 37125634111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37125634111 = 41 ⋅905503271.

It can be written as a sum of positive squares in 2 ways, for example, as 769618564 + 10374033609 = 27742^2 + 101853^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143652173 - 2⁵ = 11143652141 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 (11143652873) 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, 720790 + ... + 736087.

It is an arithmetic number, because the mean of its divisors is an integer number (2786279175).

Almost surely, 2^11143652173 is an apocalyptic number.

It is an amenable number.

11143652173 is a deficient number, since it is larger than the sum of its proper divisors (1464527).

11143652173 is an equidigital number, since it uses as much as digits as its factorization.

11143652173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464526.

The product of its digits is 15120, while the sum is 34.

The spelling of 11143652173 in words is "eleven billion, one hundred forty-three million, six hundred fifty-two thousand, one hundred seventy-three".