111400047 has 12 divisors (see below), whose sum is σ = 175539624. Its totient is φ = 67515120.

The previous prime is 111400013. The next prime is 111400087. The reversal of 111400047 is 740004111.

It is not a de Polignac number, because 111400047 - 2⁷ = 111399919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562528 + ... + 562725.

It is an arithmetic number, because the mean of its divisors is an integer number (14628302).

Almost surely, 2^111400047 is an apocalyptic number.

111400047 is a deficient number, since it is larger than the sum of its proper divisors (64139577).

111400047 is a wasteful number, since it uses less digits than its factorization.

111400047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125270 (or 1125267 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 111400047 is about 10554.6220680799. The cubic root of 111400047 is about 481.1662137376.

Adding to 111400047 its reverse (740004111), we get a palindrome (851404158).

The spelling of 111400047 in words is "one hundred eleven million, four hundred thousand, forty-seven".