111545345245 has 8 divisors (see below), whose sum is σ = 133986557016. Its totient is φ = 89148181056.

The previous prime is 111545345221. The next prime is 111545345267. The reversal of 111545345245 is 542543545111.

It can be written as a sum of positive squares in 4 ways, for example, as 1338608569 + 110206736676 = 36587^2 + 331974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111545345245 - 2⁷ = 111545345117 is a prime.

It is a super-2 number, since 2×111545345245² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111545345198 and 111545345207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11006322 + ... + 11016451.

It is an arithmetic number, because the mean of its divisors is an integer number (16748319627).

Almost surely, 2^111545345245 is an apocalyptic number.

It is an amenable number.

111545345245 is a deficient number, since it is larger than the sum of its proper divisors (22441211771).

111545345245 is a wasteful number, since it uses less digits than its factorization.

111545345245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22023791.

The product of its digits is 240000, while the sum is 40.

The spelling of 111545345245 in words is "one hundred eleven billion, five hundred forty-five million, three hundred forty-five thousand, two hundred forty-five".