111400105646 has 16 divisors (see below), whose sum is σ = 167916229008. Its totient is φ = 55428105600.

The previous prime is 111400105639. The next prime is 111400105673. The reversal of 111400105646 is 646501004111.

It is a happy number.

It is a super-2 number, since 2×111400105646² (a number of 23 digits) contains 22 as substring.

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, 3860006 + ... + 3888758.

It is an arithmetic number, because the mean of its divisors is an integer number (10494764313).

Almost surely, 2^111400105646 is an apocalyptic number.

111400105646 is a deficient number, since it is larger than the sum of its proper divisors (56516123362).

111400105646 is a wasteful number, since it uses less digits than its factorization.

111400105646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38147.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 111400105646 its reverse (646501004111), we get a palindrome (757901109757).

The spelling of 111400105646 in words is "one hundred eleven billion, four hundred million, one hundred five thousand, six hundred forty-six".