11390501 has 4 divisors (see below), whose sum is σ = 11438400. Its totient is φ = 11342604.

The previous prime is 11390479. The next prime is 11390521. The reversal of 11390501 is 10509311.

11390501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10509311 = 2683 ⋅3917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11390501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23591 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (2859600).

Almost surely, 2^11390501 is an apocalyptic number.

It is an amenable number.

11390501 is a deficient number, since it is larger than the sum of its proper divisors (47899).

11390501 is an equidigital number, since it uses as much as digits as its factorization.

11390501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47898.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 11390501 is about 3374.9816295796. The cubic root of 11390501 is about 224.9991835361. Note that the first 3 decimals are identical.

Adding to 11390501 its reverse (10509311), we get a palindrome (21899812).

The spelling of 11390501 in words is "eleven million, three hundred ninety thousand, five hundred one".