111041145115 has 4 divisors (see below), whose sum is σ = 133249374144. Its totient is φ = 88832916088.

The previous prime is 111041145107. The next prime is 111041145151. The reversal of 111041145115 is 511541140111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111041145115 - 2³ = 111041145107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111041145115.

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 3 ways as a sum of consecutive naturals, for example, 11104114507 + ... + 11104114516.

It is an arithmetic number, because the mean of its divisors is an integer number (33312343536).

Almost surely, 2^111041145115 is an apocalyptic number.

111041145115 is a deficient number, since it is larger than the sum of its proper divisors (22208229029).

111041145115 is an equidigital number, since it uses as much as digits as its factorization.

111041145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208229028.

The product of its (nonzero) digits is 400, while the sum is 25.

Adding to 111041145115 its reverse (511541140111), we get a palindrome (622582285226).

The spelling of 111041145115 in words is "one hundred eleven billion, forty-one million, one hundred forty-five thousand, one hundred fifteen".