111238304427928 has 16 divisors (see below), whose sum is σ = 209152800810000. Its totient is φ = 55464224211936.

The previous prime is 111238304427917. The next prime is 111238304427937. The reversal of 111238304427928 is 829724403832111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19365997203 + ... + 19366002946.

It is an arithmetic number, because the mean of its divisors is an integer number (13072050050625).

Almost surely, 2^{111238304427928} is an apocalyptic number.

It is an amenable number.

111238304427928 is a deficient number, since it is larger than the sum of its proper divisors (97914496382072).

111238304427928 is a wasteful number, since it uses less digits than its factorization.

111238304427928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38732000514 (or 38732000510 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 111238304427928 in words is "one hundred eleven trillion, two hundred thirty-eight billion, three hundred four million, four hundred twenty-seven thousand, nine hundred twenty-eight".