116291989535 has 4 divisors (see below), whose sum is σ = 139550387448. Its totient is φ = 93033591624.

The previous prime is 116291989441. The next prime is 116291989559. The reversal of 116291989535 is 535989192611.

It is a happy number.

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 116291989535 - 2²⁰ = 116290940959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11629198949 + ... + 11629198958.

It is an arithmetic number, because the mean of its divisors is an integer number (34887596862).

Almost surely, 2^116291989535 is an apocalyptic number.

116291989535 is a deficient number, since it is larger than the sum of its proper divisors (23258397913).

116291989535 is an equidigital number, since it uses as much as digits as its factorization.

116291989535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23258397912.

The product of its digits is 5248800, while the sum is 59.

The spelling of 116291989535 in words is "one hundred sixteen billion, two hundred ninety-one million, nine hundred eighty-nine thousand, five hundred thirty-five".