11272840049 has 4 divisors (see below), whose sum is σ = 11866147440. Its totient is φ = 10679532660.

The previous prime is 11272840021. The next prime is 11272840057. The reversal of 11272840049 is 94004827211.

It is a happy number.

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 11272840049 - 2³² = 6977872753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11272839994 and 11272840021.

It is not an unprimeable number, because it can be changed into a prime (11272846049) 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, 296653667 + ... + 296653704.

It is an arithmetic number, because the mean of its divisors is an integer number (2966536860).

Almost surely, 2^11272840049 is an apocalyptic number.

11272840049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11272840049 is a deficient number, since it is larger than the sum of its proper divisors (593307391).

11272840049 is an equidigital number, since it uses as much as digits as its factorization.

11272840049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593307390.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 11272840049 in words is "eleven billion, two hundred seventy-two million, eight hundred forty thousand, forty-nine".