111054680194 has 4 divisors (see below), whose sum is σ = 166582020294. Its totient is φ = 55527340096.

The previous prime is 111054680159. The next prime is 111054680201. The reversal of 111054680194 is 491086450111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491086450111 = 19 ⋅25846655269.

It can be written as a sum of positive squares in only one way, i.e., 97110140625 + 13944539569 = 311625^2 + 118087^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763670047 + ... + 27763670050.

Almost surely, 2^111054680194 is an apocalyptic number.

111054680194 is a deficient number, since it is larger than the sum of its proper divisors (55527340100).

111054680194 is an equidigital number, since it uses as much as digits as its factorization.

111054680194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55527340099.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 111054680194 in words is "one hundred eleven billion, fifty-four million, six hundred eighty thousand, one hundred ninety-four".