115020122842 has 4 divisors (see below), whose sum is σ = 172530184266. Its totient is φ = 57510061420.

The previous prime is 115020122837. The next prime is 115020122873. The reversal of 115020122842 is 248221020511.

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., 113394501081 + 1625621761 = 336741^2 + 40319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115020122842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28755030709 + ... + 28755030712.

Almost surely, 2^115020122842 is an apocalyptic number.

115020122842 is a deficient number, since it is larger than the sum of its proper divisors (57510061424).

115020122842 is an equidigital number, since it uses as much as digits as its factorization.

115020122842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57510061423.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 115020122842 in words is "one hundred fifteen billion, twenty million, one hundred twenty-two thousand, eight hundred forty-two".