111361004447 has 16 divisors (see below), whose sum is σ = 138933457152. Its totient is φ = 86716206720.

The previous prime is 111361004437. The next prime is 111361004479. The reversal of 111361004447 is 744400163111.

It is not a de Polignac number, because 111361004447 - 2⁸ = 111361004191 is a prime.

It is a super-2 number, since 2×111361004447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111361004407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373418 + ... + 601799.

It is an arithmetic number, because the mean of its divisors is an integer number (8683341072).

Almost surely, 2^111361004447 is an apocalyptic number.

111361004447 is a deficient number, since it is larger than the sum of its proper divisors (27572452705).

111361004447 is a wasteful number, since it uses less digits than its factorization.

111361004447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976718.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 111361004447 its reverse (744400163111), we get a palindrome (855761167558).

The spelling of 111361004447 in words is "one hundred eleven billion, three hundred sixty-one million, four thousand, four hundred forty-seven".