100115243044 has 12 divisors (see below), whose sum is σ = 175512872304. Its totient is φ = 49968708104.

The previous prime is 100115243027. The next prime is 100115243047. The reversal of 100115243044 is 440342511001.

It is not an unprimeable number, because it can be changed into a prime (100115243047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22225822 + ... + 22230325.

It is an arithmetic number, because the mean of its divisors is an integer number (14626072692).

Almost surely, 2^100115243044 is an apocalyptic number.

It is an amenable number.

100115243044 is a deficient number, since it is larger than the sum of its proper divisors (75397629260).

100115243044 is a wasteful number, since it uses less digits than its factorization.

100115243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456714 (or 44456712 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 100115243044 its reverse (440342511001), we get a palindrome (540457754045).

The spelling of 100115243044 in words is "one hundred billion, one hundred fifteen million, two hundred forty-three thousand, forty-four".