11028899 has 4 divisors (see below), whose sum is σ = 12604464. Its totient is φ = 9453336.

The previous prime is 11028893. The next prime is 11028917. The reversal of 11028899 is 99882011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99882011 = 761 ⋅131251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11028899 is a prime.

It is a super-2 number, since 2×11028899² = 243273226304402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11028893) 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, 787772 + ... + 787785.

It is an arithmetic number, because the mean of its divisors is an integer number (3151116).

Almost surely, 2^11028899 is an apocalyptic number.

11028899 is a deficient number, since it is larger than the sum of its proper divisors (1575565).

11028899 is an equidigital number, since it uses as much as digits as its factorization.

11028899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575564.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 11028899 is about 3320.9786208285. The cubic root of 11028899 is about 222.5925987507.

It can be divided in two parts, 1102 and 8899, that added together give a palindrome (10001).

The spelling of 11028899 in words is "eleven million, twenty-eight thousand, eight hundred ninety-nine".