11444401420231 has 12 divisors (see below), whose sum is σ = 13121426483712. Its totient is φ = 9942647385216.

The previous prime is 11444401420219. The next prime is 11444401420247. The reversal of 11444401420231 is 13202410444411.

It is not a de Polignac number, because 11444401420231 - 2⁷ = 11444401420103 is a prime.

It is a super-2 number, since 2×11444401420231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11444401420193 and 11444401420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444401720231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1991713351 + ... + 1991719096.

It is an arithmetic number, because the mean of its divisors is an integer number (1093452206976).

Almost surely, 2^{11444401420231} is an apocalyptic number.

11444401420231 is a deficient number, since it is larger than the sum of its proper divisors (1677025063481).

11444401420231 is a wasteful number, since it uses less digits than its factorization.

11444401420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983432490 (or 3983432477 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 11444401420231 its reverse (13202410444411), we get a palindrome (24646811864642).

The spelling of 11444401420231 in words is "eleven trillion, four hundred forty-four billion, four hundred one million, four hundred twenty thousand, two hundred thirty-one".