11680803543 has 16 divisors (see below), whose sum is σ = 15673046400. Its totient is φ = 7737981216.

The previous prime is 11680803523. The next prime is 11680803551. The reversal of 11680803543 is 34530808611.

It is not a de Polignac number, because 11680803543 - 2³³ = 3090868951 is a prime.

It is a super-2 number, since 2×11680803543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680803523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476808 + ... + 500706.

It is an arithmetic number, because the mean of its divisors is an integer number (979565400).

Almost surely, 2^11680803543 is an apocalyptic number.

11680803543 is a deficient number, since it is larger than the sum of its proper divisors (3992242857).

11680803543 is a wasteful number, since it uses less digits than its factorization.

11680803543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24926.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 11680803543 in words is "eleven billion, six hundred eighty million, eight hundred three thousand, five hundred forty-three".