11112045 has 16 divisors (see below), whose sum is σ = 20319360. Its totient is φ = 5079744.

The previous prime is 11112041. The next prime is 11112047. The reversal of 11112045 is 54021111.

It is a happy number.

It is not a de Polignac number, because 11112045 - 2² = 11112041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52810 + ... + 53019.

It is an arithmetic number, because the mean of its divisors is an integer number (1269960).

Almost surely, 2^11112045 is an apocalyptic number.

11112045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11112045 is a deficient number, since it is larger than the sum of its proper divisors (9207315).

11112045 is a wasteful number, since it uses less digits than its factorization.

11112045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105844.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11112045 is about 3333.4734137233. The cubic root of 11112045 is about 223.1505682789.

Adding to 11112045 its reverse (54021111), we get a palindrome (65133156).

The spelling of 11112045 in words is "eleven million, one hundred twelve thousand, forty-five".