11573536843 has 4 divisors (see below), whose sum is σ = 12625676568. Its totient is φ = 10521397120.

The previous prime is 11573536837. The next prime is 11573536853. The reversal of 11573536843 is 34863537511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11573536843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11573536793 and 11573536802.

It is not an unprimeable number, because it can be changed into a prime (11573536853) 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, 526069846 + ... + 526069867.

It is an arithmetic number, because the mean of its divisors is an integer number (3156419142).

Almost surely, 2^11573536843 is an apocalyptic number.

11573536843 is a deficient number, since it is larger than the sum of its proper divisors (1052139725).

11573536843 is a wasteful number, since it uses less digits than its factorization.

11573536843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052139724.

The product of its digits is 907200, while the sum is 46.

The spelling of 11573536843 in words is "eleven billion, five hundred seventy-three million, five hundred thirty-six thousand, eight hundred forty-three".