111238729572768 has 96 divisors (see below), whose sum is σ = 333747725431680. Its totient is φ = 31779490667520.

The previous prime is 111238729572727. The next prime is 111238729572787. The reversal of 111238729572768 is 867275927832111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700503 + ... + 14932118.

It is an arithmetic number, because the mean of its divisors is an integer number (3476538806580).

Almost surely, 2^{111238729572768} is an apocalyptic number.

It is an amenable number.

111238729572768 is an abundant number, since it is smaller than the sum of its proper divisors (222508995858912).

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

111238729572768 is a wasteful number, since it uses less digits than its factorization.

111238729572768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643230 (or 15643222 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 69.

The spelling of 111238729572768 in words is "one hundred eleven trillion, two hundred thirty-eight billion, seven hundred twenty-nine million, five hundred seventy-two thousand, seven hundred sixty-eight".