109861239712 has 48 divisors (see below), whose sum is σ = 253216780992. Its totient is φ = 45935009280.

The previous prime is 109861239679. The next prime is 109861239721. The reversal of 109861239712 is 217932168901.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 5971938 + ... + 5990305.

It is an arithmetic number, because the mean of its divisors is an integer number (5275349604).

Almost surely, 2^109861239712 is an apocalyptic number.

It is an amenable number.

109861239712 is an abundant number, since it is smaller than the sum of its proper divisors (143355541280).

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

109861239712 is a wasteful number, since it uses less digits than its factorization.

109861239712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962301 (or 11962293 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 109861239712 in words is "one hundred nine billion, eight hundred sixty-one million, two hundred thirty-nine thousand, seven hundred twelve".