11390056 has 8 divisors (see below), whose sum is σ = 21356370. Its totient is φ = 5695024.

The previous prime is 11390047. The next prime is 11390059. The reversal of 11390056 is 65009311.

11390056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6937956 + 4452100 = 2634^2 + 2110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11390056.

It is not an unprimeable number, because it can be changed into a prime (11390059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711871 + ... + 711886.

Almost surely, 2^11390056 is an apocalyptic number.

It is an amenable number.

11390056 is a deficient number, since it is larger than the sum of its proper divisors (9966314).

11390056 is a wasteful number, since it uses less digits than its factorization.

11390056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423763 (or 1423759 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 11390056 is about 3374.9157026510. The cubic root of 11390056 is about 224.9962534356.

Adding to 11390056 its reverse (65009311), we get a palindrome (76399367).

The spelling of 11390056 in words is "eleven million, three hundred ninety thousand, fifty-six".