111142677188 has 6 divisors (see below), whose sum is σ = 194499685086. Its totient is φ = 55571338592.

The previous prime is 111142677167. The next prime is 111142677223. The reversal of 111142677188 is 881776241111.

It can be written as a sum of positive squares in only one way, i.e., 66439186564 + 44703490624 = 257758^2 + 211432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13892834645 + ... + 13892834652.

It is an arithmetic number, because the mean of its divisors is an integer number (32416614181).

Almost surely, 2^111142677188 is an apocalyptic number.

It is an amenable number.

111142677188 is a deficient number, since it is larger than the sum of its proper divisors (83357007898).

111142677188 is a wasteful number, since it uses less digits than its factorization.

111142677188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27785669301 (or 27785669299 counting only the distinct ones).

The product of its digits is 150528, while the sum is 47.

The spelling of 111142677188 in words is "one hundred eleven billion, one hundred forty-two million, six hundred seventy-seven thousand, one hundred eighty-eight".