111402985774 has 8 divisors (see below), whose sum is σ = 167203186920. Its totient is φ = 55668590136.

The previous prime is 111402985763. The next prime is 111402985807. The reversal of 111402985774 is 477589204111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16447144 + ... + 16453915.

It is an arithmetic number, because the mean of its divisors is an integer number (20900398365).

Almost surely, 2^111402985774 is an apocalyptic number.

111402985774 is a deficient number, since it is larger than the sum of its proper divisors (55800201146).

111402985774 is a wasteful number, since it uses less digits than its factorization.

111402985774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32902754.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 111402985774 in words is "one hundred eleven billion, four hundred two million, nine hundred eighty-five thousand, seven hundred seventy-four".