11444113131 has 8 divisors (see below), whose sum is σ = 16645982784. Its totient is φ = 6935826120.

The previous prime is 11444113073. The next prime is 11444113157. The reversal of 11444113131 is 13131144411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11444113131 - 2⁹ = 11444112619 is a prime.

It is a super-2 number, since 2×11444113131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11444113531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173395621 + ... + 173395686.

It is an arithmetic number, because the mean of its divisors is an integer number (2080747848).

Almost surely, 2^11444113131 is an apocalyptic number.

11444113131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11444113131 is a deficient number, since it is larger than the sum of its proper divisors (5201869653).

11444113131 is a wasteful number, since it uses less digits than its factorization.

11444113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346791321.

The product of its digits is 576, while the sum is 24.

Adding to 11444113131 its reverse (13131144411), we get a palindrome (24575257542).

The spelling of 11444113131 in words is "eleven billion, four hundred forty-four million, one hundred thirteen thousand, one hundred thirty-one".