111444143134 has 4 divisors (see below), whose sum is σ = 167166214704. Its totient is φ = 55722071566.

The previous prime is 111444143131. The next prime is 111444143257. The reversal of 111444143134 is 431341444111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111444143096 and 111444143105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111444143131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27861035782 + ... + 27861035785.

It is an arithmetic number, because the mean of its divisors is an integer number (41791553676).

Almost surely, 2^111444143134 is an apocalyptic number.

111444143134 is a deficient number, since it is larger than the sum of its proper divisors (55722071570).

111444143134 is an equidigital number, since it uses as much as digits as its factorization.

111444143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55722071569.

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

Adding to 111444143134 its reverse (431341444111), we get a palindrome (542785587245).

The spelling of 111444143134 in words is "one hundred eleven billion, four hundred forty-four million, one hundred forty-three thousand, one hundred thirty-four".