111387085 has 8 divisors (see below), whose sum is σ = 133975800. Its totient is φ = 88902144.

The previous prime is 111387083. The next prime is 111387097. The reversal of 111387085 is 580783111.

It can be written as a sum of positive squares in 4 ways, for example, as 169 + 111386916 = 13^2 + 10554^2 .

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 111387085 - 2¹ = 111387083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111387085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111387083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23560 + ... + 27889.

It is an arithmetic number, because the mean of its divisors is an integer number (16746975).

Almost surely, 2^111387085 is an apocalyptic number.

It is an amenable number.

111387085 is a deficient number, since it is larger than the sum of its proper divisors (22588715).

111387085 is an equidigital number, since it uses as much as digits as its factorization.

111387085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51887.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 111387085 is about 10554.0080064400. The cubic root of 111387085 is about 481.1475509137.

The spelling of 111387085 in words is "one hundred eleven million, three hundred eighty-seven thousand, eighty-five".