11167945 has 16 divisors (see below), whose sum is σ = 13744512. Its totient is φ = 8709120.

The previous prime is 11167943. The next prime is 11167951. The reversal of 11167945 is 54976111.

It is not a de Polignac number, because 11167945 - 2¹ = 11167943 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 11167945.

It is not an unprimeable number, because it can be changed into a prime (11167943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57769 + ... + 57961.

It is an arithmetic number, because the mean of its divisors is an integer number (859032).

Almost surely, 2^11167945 is an apocalyptic number.

It is an amenable number.

11167945 is a deficient number, since it is larger than the sum of its proper divisors (2576567).

11167945 is a wasteful number, since it uses less digits than its factorization.

11167945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 7560, while the sum is 34.

The square root of 11167945 is about 3341.8475429020. The cubic root of 11167945 is about 223.5241346114.

The spelling of 11167945 in words is "eleven million, one hundred sixty-seven thousand, nine hundred forty-five".