11145567 has 8 divisors (see below), whose sum is σ = 15064624. Its totient is φ = 7328448.

The previous prime is 11145551. The next prime is 11145569. The reversal of 11145567 is 76554111.

11145567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11145567 - 2⁴ = 11145551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145569) 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, 25228 + ... + 25665.

It is an arithmetic number, because the mean of its divisors is an integer number (1883078).

Almost surely, 2^11145567 is an apocalyptic number.

11145567 is a deficient number, since it is larger than the sum of its proper divisors (3919057).

11145567 is an equidigital number, since it uses as much as digits as its factorization.

11145567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50969.

The product of its digits is 4200, while the sum is 30.

The square root of 11145567 is about 3338.4977160394. The cubic root of 11145567 is about 223.3747377505.

Adding to 11145567 its reverse (76554111), we get a palindrome (87699678).

The spelling of 11145567 in words is "eleven million, one hundred forty-five thousand, five hundred sixty-seven".