116540402543 has 4 divisors (see below), whose sum is σ = 122674107960. Its totient is φ = 110406697128.

The previous prime is 116540402521. The next prime is 116540402593. The reversal of 116540402543 is 345204045611.

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

It is a cyclic number.

It is not a de Polignac number, because 116540402543 - 2¹⁰ = 116540401519 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 (116540402593) 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, 3066852680 + ... + 3066852717.

It is an arithmetic number, because the mean of its divisors is an integer number (30668526990).

Almost surely, 2^116540402543 is an apocalyptic number.

116540402543 is a deficient number, since it is larger than the sum of its proper divisors (6133705417).

116540402543 is an equidigital number, since it uses as much as digits as its factorization.

116540402543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133705416.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 116540402543 in words is "one hundred sixteen billion, five hundred forty million, four hundred two thousand, five hundred forty-three".