11111231334 has 16 divisors (see below), whose sum is σ = 25397100288. Its totient is φ = 3174637512.

The previous prime is 11111231321. The next prime is 11111231357. The reversal of 11111231334 is 43313211111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11111231334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132276522 + ... + 132276605.

It is an arithmetic number, because the mean of its divisors is an integer number (1587318768).

Almost surely, 2^11111231334 is an apocalyptic number.

11111231334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11111231334 is an abundant number, since it is smaller than the sum of its proper divisors (14285868954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111231334 is a wasteful number, since it uses less digits than its factorization.

11111231334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264553139.

The product of its digits is 216, while the sum is 21.

Adding to 11111231334 its reverse (43313211111), we get a palindrome (54424442445).

The spelling of 11111231334 in words is "eleven billion, one hundred eleven million, two hundred thirty-one thousand, three hundred thirty-four".