11725211 has 4 divisors (see below), whose sum is σ = 11839152. Its totient is φ = 11611272.

The previous prime is 11725183. The next prime is 11725213. The reversal of 11725211 is 11252711.

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: 11252711 = 457 ⋅24623.

It is a cyclic number.

It is not a de Polignac number, because 11725211 - 2¹⁰ = 11724187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11725213) 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, 56816 + ... + 57021.

It is an arithmetic number, because the mean of its divisors is an integer number (2959788).

Almost surely, 2^11725211 is an apocalyptic number.

11725211 is a deficient number, since it is larger than the sum of its proper divisors (113941).

11725211 is a wasteful number, since it uses less digits than its factorization.

11725211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113940.

The product of its digits is 140, while the sum is 20.

The square root of 11725211 is about 3424.2095438218. The cubic root of 11725211 is about 227.1818101366.

Adding to 11725211 its reverse (11252711), we get a palindrome (22977922).

The spelling of 11725211 in words is "eleven million, seven hundred twenty-five thousand, two hundred eleven".