11448131 has 4 divisors (see below), whose sum is σ = 11531832. Its totient is φ = 11364432.

The previous prime is 11448109. The next prime is 11448139. The reversal of 11448131 is 13184411.

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: 13184411 = 41 ⋅321571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11448131 is a prime.

It is a super-2 number, since 2×11448131² = 262119406786322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11448097 and 11448106.

It is not an unprimeable number, because it can be changed into a prime (11448139) 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, 41645 + ... + 41918.

It is an arithmetic number, because the mean of its divisors is an integer number (2882958).

Almost surely, 2^11448131 is an apocalyptic number.

11448131 is a deficient number, since it is larger than the sum of its proper divisors (83701).

11448131 is an equidigital number, since it uses as much as digits as its factorization.

11448131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83700.

The product of its digits is 384, while the sum is 23.

The square root of 11448131 is about 3383.5086818272. The cubic root of 11448131 is about 225.3780049171.

The spelling of 11448131 in words is "eleven million, four hundred forty-eight thousand, one hundred thirty-one".