11172099 has 4 divisors (see below), whose sum is σ = 14896136. Its totient is φ = 7448064.

The previous prime is 11172079. The next prime is 11172127. The reversal of 11172099 is 99027111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99027111 = 3 ⋅33009037.

It is not a de Polignac number, because 11172099 - 2⁸ = 11171843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11172079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862014 + ... + 1862019.

It is an arithmetic number, because the mean of its divisors is an integer number (3724034).

Almost surely, 2^11172099 is an apocalyptic number.

11172099 is a deficient number, since it is larger than the sum of its proper divisors (3724037).

11172099 is an equidigital number, since it uses as much as digits as its factorization.

11172099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724036.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 11172099 is about 3342.4689976124. The cubic root of 11172099 is about 223.5518449961.

The spelling of 11172099 in words is "eleven million, one hundred seventy-two thousand, ninety-nine".