115105142244 has 24 divisors (see below), whose sum is σ = 277839999360. Its totient is φ = 37045333024.

The previous prime is 115105142231. The next prime is 115105142263. The reversal of 115105142244 is 442241501511.

It is a super-2 number, since 2×115105142244² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 165380604 + ... + 165381299.

It is an arithmetic number, because the mean of its divisors is an integer number (11576666640).

Almost surely, 2^115105142244 is an apocalyptic number.

It is an amenable number.

115105142244 is an abundant number, since it is smaller than the sum of its proper divisors (162734857116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115105142244 is a wasteful number, since it uses less digits than its factorization.

115105142244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330761939 (or 330761937 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 115105142244 its reverse (442241501511), we get a palindrome (557346643755).

The spelling of 115105142244 in words is "one hundred fifteen billion, one hundred five million, one hundred forty-two thousand, two hundred forty-four".