11442631441 has 4 divisors (see below), whose sum is σ = 11490508800. Its totient is φ = 11394754084.

The previous prime is 11442631391. The next prime is 11442631451. The reversal of 11442631441 is 14413624411.

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 11442631441 - 2¹⁹ = 11442107153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442631451) 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, 23938321 + ... + 23938798.

It is an arithmetic number, because the mean of its divisors is an integer number (2872627200).

Almost surely, 2^11442631441 is an apocalyptic number.

It is an amenable number.

11442631441 is a deficient number, since it is larger than the sum of its proper divisors (47877359).

11442631441 is an equidigital number, since it uses as much as digits as its factorization.

11442631441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47877358.

The product of its digits is 9216, while the sum is 31.

The spelling of 11442631441 in words is "eleven billion, four hundred forty-two million, six hundred thirty-one thousand, four hundred forty-one".