11211875 has 10 divisors (see below), whose sum is σ = 14011140. Its totient is φ = 8969000.

The previous prime is 11211869. The next prime is 11211883. The reversal of 11211875 is 57811211.

It is not a de Polignac number, because 11211875 - 2¹⁰ = 11210851 is a prime.

It is a super-2 number, since 2×11211875² = 251412282031250, which contains 22 as substring.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 8345 + ... + 9594.

It is an arithmetic number, because the mean of its divisors is an integer number (1401114).

Almost surely, 2^11211875 is an apocalyptic number.

11211875 is a deficient number, since it is larger than the sum of its proper divisors (2799265).

11211875 is an frugal number, since it uses more digits than its factorization.

11211875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17959 (or 17944 counting only the distinct ones).

The product of its digits is 560, while the sum is 26.

The square root of 11211875 is about 3348.4138035792. The cubic root of 11211875 is about 223.8168344814.

The spelling of 11211875 in words is "eleven million, two hundred eleven thousand, eight hundred seventy-five".