115218834722 has 4 divisors (see below), whose sum is σ = 172828252086. Its totient is φ = 57609417360.

The previous prime is 115218834671. The next prime is 115218834737. The reversal of 115218834722 is 227438812511.

It is a Cunningham number, because it is equal to 339439²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 115218834721 + 1 = 339439^2 + 1^2 .

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 as a sum of consecutive naturals, namely, 28804708679 + ... + 28804708682.

Almost surely, 2^115218834722 is an apocalyptic number.

115218834722 is a deficient number, since it is larger than the sum of its proper divisors (57609417364).

115218834722 is an equidigital number, since it uses as much as digits as its factorization.

115218834722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57609417363.

The product of its digits is 215040, while the sum is 44.

The spelling of 115218834722 in words is "one hundred fifteen billion, two hundred eighteen million, eight hundred thirty-four thousand, seven hundred twenty-two".