11111045 has 16 divisors (see below), whose sum is σ = 14618880. Its totient is φ = 8040000.

The previous prime is 11111039. The next prime is 11111053. The reversal of 11111045 is 54011111.

It is not a de Polignac number, because 11111045 - 2¹⁶ = 11045509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14420 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (913680).

Almost surely, 2^11111045 is an apocalyptic number.

It is an amenable number.

11111045 is a deficient number, since it is larger than the sum of its proper divisors (3507835).

11111045 is a wasteful number, since it uses less digits than its factorization.

11111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 11111045 is about 3333.3234166519. The cubic root of 11111045 is about 223.1438741236.

Adding to 11111045 its reverse (54011111), we get a palindrome (65122156).

The spelling of 11111045 in words is "eleven million, one hundred eleven thousand, forty-five".