11398011 has 4 divisors (see below), whose sum is σ = 15197352. Its totient is φ = 7598672.

The previous prime is 11398003. The next prime is 11398027. The reversal of 11398011 is 11089311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11398011 - 2³ = 11398003 is a prime.

It is a super-2 number, since 2×11398011² = 259829309512242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11398031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899666 + ... + 1899671.

It is an arithmetic number, because the mean of its divisors is an integer number (3799338).

Almost surely, 2^11398011 is an apocalyptic number.

11398011 is a deficient number, since it is larger than the sum of its proper divisors (3799341).

11398011 is an equidigital number, since it uses as much as digits as its factorization.

11398011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799340.

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

The square root of 11398011 is about 3376.0940448986. The cubic root of 11398011 is about 225.0486215911.

The spelling of 11398011 in words is "eleven million, three hundred ninety-eight thousand, eleven".