111776228806 has 24 divisors (see below), whose sum is σ = 184378669272. Its totient is φ = 50783541600.

The previous prime is 111776228791. The next prime is 111776228807. The reversal of 111776228806 is 608822677111.

It is a self number, because there is not a number n which added to its sum of digits gives 111776228806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111776228807) 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 11 ways as a sum of consecutive naturals, for example, 413761 + ... + 628291.

It is an arithmetic number, because the mean of its divisors is an integer number (7682444553).

Almost surely, 2^111776228806 is an apocalyptic number.

111776228806 is a deficient number, since it is larger than the sum of its proper divisors (72602440466).

111776228806 is a wasteful number, since it uses less digits than its factorization.

111776228806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216708 (or 216697 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 111776228806 in words is "one hundred eleven billion, seven hundred seventy-six million, two hundred twenty-eight thousand, eight hundred six".