11448638371 has 4 divisors (see below), whose sum is σ = 11497774392. Its totient is φ = 11399502352.

The previous prime is 11448638339. The next prime is 11448638413. The reversal of 11448638371 is 17383684411.

11448638371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17383684411 = 131 ⋅132699881.

It is a cyclic number.

It is not a de Polignac number, because 11448638371 - 2⁵ = 11448638339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11448638771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24567661 + ... + 24568126.

It is an arithmetic number, because the mean of its divisors is an integer number (2874443598).

Almost surely, 2^11448638371 is an apocalyptic number.

11448638371 is a deficient number, since it is larger than the sum of its proper divisors (49136021).

11448638371 is an equidigital number, since it uses as much as digits as its factorization.

11448638371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49136020.

The product of its digits is 387072, while the sum is 46.

The spelling of 11448638371 in words is "eleven billion, four hundred forty-eight million, six hundred thirty-eight thousand, three hundred seventy-one".