11111745 has 16 divisors (see below), whose sum is σ = 18005760. Its totient is φ = 5850624.

The previous prime is 11111707. The next prime is 11111747. The reversal of 11111745 is 54711111.

11111745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11111745 - 2¹⁹ = 10587457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11111747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3504 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (1125360).

Almost surely, 2^11111745 is an apocalyptic number.

11111745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11111745 is a deficient number, since it is larger than the sum of its proper divisors (6894015).

11111745 is an equidigital number, since it uses as much as digits as its factorization.

11111745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464.

The product of its digits is 140, while the sum is 21.

The square root of 11111745 is about 3333.4284153106. The cubic root of 11111745 is about 223.1485600745.

Adding to 11111745 its reverse (54711111), we get a palindrome (65822856).

The spelling of 11111745 in words is "eleven million, one hundred eleven thousand, seven hundred forty-five".