11390811 has 8 divisors (see below), whose sum is σ = 15216720. Its totient is φ = 7579392.

The previous prime is 11390809. The next prime is 11390831. The reversal of 11390811 is 11809311.

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

It is not a de Polignac number, because 11390811 - 2¹ = 11390809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11390831) 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, 1630 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1902090).

Almost surely, 2^11390811 is an apocalyptic number.

11390811 is a deficient number, since it is larger than the sum of its proper divisors (3825909).

11390811 is an equidigital number, since it uses as much as digits as its factorization.

11390811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 11390811 is about 3375.0275554431. The cubic root of 11390811 is about 225.0012246847.

The spelling of 11390811 in words is "eleven million, three hundred ninety thousand, eight hundred eleven".