111405544342 has 16 divisors (see below), whose sum is σ = 169157399040. Its totient is φ = 55020028392.

The previous prime is 111405544303. The next prime is 111405544351. The reversal of 111405544342 is 243445504111.

It is a happy number.

It is a super-2 number, since 2×111405544342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111405544298 and 111405544307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745459 + ... + 882337.

It is an arithmetic number, because the mean of its divisors is an integer number (10572337440).

Almost surely, 2^111405544342 is an apocalyptic number.

111405544342 is a deficient number, since it is larger than the sum of its proper divisors (57751854698).

111405544342 is a wasteful number, since it uses less digits than its factorization.

111405544342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141867.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 111405544342 in words is "one hundred eleven billion, four hundred five million, five hundred forty-four thousand, three hundred forty-two".