111227917438 has 16 divisors (see below), whose sum is σ = 184313237760. Its totient is φ = 49918167000.

The previous prime is 111227917399. The next prime is 111227917481. The reversal of 111227917438 is 834719722111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31997088 + ... + 32000563.

It is an arithmetic number, because the mean of its divisors is an integer number (11519577360).

Almost surely, 2^111227917438 is an apocalyptic number.

111227917438 is a deficient number, since it is larger than the sum of its proper divisors (73085320322).

111227917438 is a wasteful number, since it uses less digits than its factorization.

111227917438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63997743.

The product of its digits is 169344, while the sum is 46.

The spelling of 111227917438 in words is "one hundred eleven billion, two hundred twenty-seven million, nine hundred seventeen thousand, four hundred thirty-eight".