111368355428 has 12 divisors (see below), whose sum is σ = 212612314992. Its totient is φ = 50621979720.

The previous prime is 111368355367. The next prime is 111368355437. The reversal of 111368355428 is 824553863111.

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 3 ways as a sum of consecutive naturals, for example, 1265549450 + ... + 1265549537.

It is an arithmetic number, because the mean of its divisors is an integer number (17717692916).

Almost surely, 2^111368355428 is an apocalyptic number.

It is an amenable number.

111368355428 is a deficient number, since it is larger than the sum of its proper divisors (101243959564).

111368355428 is a wasteful number, since it uses less digits than its factorization.

111368355428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531099002 (or 2531099000 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The spelling of 111368355428 in words is "one hundred eleven billion, three hundred sixty-eight million, three hundred fifty-five thousand, four hundred twenty-eight".