111543445345 has 16 divisors (see below), whose sum is σ = 139681780992. Its totient is φ = 85348880320.

The previous prime is 111543445301. The next prime is 111543445357. The reversal of 111543445345 is 543544345111.

It is not a de Polignac number, because 111543445345 - 2¹⁵ = 111543412577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111543445298 and 111543445307.

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 15 ways as a sum of consecutive naturals, for example, 2208444 + ... + 2258386.

It is an arithmetic number, because the mean of its divisors is an integer number (8730111312).

Almost surely, 2^111543445345 is an apocalyptic number.

It is an amenable number.

111543445345 is a deficient number, since it is larger than the sum of its proper divisors (28138335647).

111543445345 is a wasteful number, since it uses less digits than its factorization.

111543445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69392.

The product of its digits is 288000, while the sum is 40.

The spelling of 111543445345 in words is "one hundred eleven billion, five hundred forty-three million, four hundred forty-five thousand, three hundred forty-five".