11149899 has 4 divisors (see below), whose sum is σ = 14866536. Its totient is φ = 7433264.

The previous prime is 11149889. The next prime is 11149927. The reversal of 11149899 is 99894111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99894111 = 3 ⋅33298037.

It is a cyclic number.

It is not a de Polignac number, because 11149899 - 2¹³ = 11141707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11149899.

It is not an unprimeable number, because it can be changed into a prime (11149829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858314 + ... + 1858319.

It is an arithmetic number, because the mean of its divisors is an integer number (3716634).

Almost surely, 2^11149899 is an apocalyptic number.

11149899 is a deficient number, since it is larger than the sum of its proper divisors (3716637).

11149899 is an equidigital number, since it uses as much as digits as its factorization.

11149899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716636.

The product of its digits is 23328, while the sum is 42.

The square root of 11149899 is about 3339.1464478217. The cubic root of 11149899 is about 223.4036740389.

The spelling of 11149899 in words is "eleven million, one hundred forty-nine thousand, eight hundred ninety-nine".