211125089 has 4 divisors (see below), whose sum is σ = 241285824. Its totient is φ = 180964356.

The previous prime is 211125067. The next prime is 211125137. The reversal of 211125089 is 980521112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211125089 - 2¹⁶ = 211059553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211125049) 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, 15080357 + ... + 15080370.

It is an arithmetic number, because the mean of its divisors is an integer number (60321456).

Almost surely, 2^211125089 is an apocalyptic number.

It is an amenable number.

211125089 is a deficient number, since it is larger than the sum of its proper divisors (30160735).

211125089 is an equidigital number, since it uses as much as digits as its factorization.

211125089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30160734.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 211125089 is about 14530.1441493194. The cubic root of 211125089 is about 595.4518038195.

The spelling of 211125089 in words is "two hundred eleven million, one hundred twenty-five thousand, eighty-nine".