11372261 has 4 divisors (see below), whose sum is σ = 11614272. Its totient is φ = 11130252.

The previous prime is 11372243. The next prime is 11372299. The reversal of 11372261 is 16227311.

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 11372261 - 2⁶ = 11372197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120935 + ... + 121028.

It is an arithmetic number, because the mean of its divisors is an integer number (2903568).

Almost surely, 2^11372261 is an apocalyptic number.

It is an amenable number.

11372261 is a deficient number, since it is larger than the sum of its proper divisors (242011).

11372261 is an equidigital number, since it uses as much as digits as its factorization.

11372261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242010.

The product of its digits is 504, while the sum is 23.

The square root of 11372261 is about 3372.2783099857. The cubic root of 11372261 is about 224.8790197354.

Adding to 11372261 its reverse (16227311), we get a palindrome (27599572).

The spelling of 11372261 in words is "eleven million, three hundred seventy-two thousand, two hundred sixty-one".