11146538 has 16 divisors (see below), whose sum is σ = 18212040. Its totient is φ = 5085696.

The previous prime is 11146537. The next prime is 11146571. The reversal of 11146538 is 83564111.

It can be written as a sum of positive squares in 4 ways, for example, as 3323329 + 7823209 = 1823^2 + 2797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11146538.

It is not an unprimeable number, because it can be changed into a prime (11146537) 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, 95 + ... + 4722.

Almost surely, 2^11146538 is an apocalyptic number.

11146538 is a deficient number, since it is larger than the sum of its proper divisors (7065502).

11146538 is a wasteful number, since it uses less digits than its factorization.

11146538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its digits is 2880, while the sum is 29.

The square root of 11146538 is about 3338.6431375635. The cubic root of 11146538 is about 223.3812243525.

The spelling of 11146538 in words is "eleven million, one hundred forty-six thousand, five hundred thirty-eight".