1111401343 has 4 divisors (see below), whose sum is σ = 1196893768. Its totient is φ = 1025908920.

The previous prime is 1111401311. The next prime is 1111401353. The reversal of 1111401343 is 3431041111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111401343 - 2⁵ = 1111401311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111401343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111401353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42746193 + ... + 42746218.

It is an arithmetic number, because the mean of its divisors is an integer number (299223442).

Almost surely, 2^1111401343 is an apocalyptic number.

1111401343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1111401343 is a deficient number, since it is larger than the sum of its proper divisors (85492425).

1111401343 is an equidigital number, since it uses as much as digits as its factorization.

1111401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85492424.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1111401343 is about 33337.6865274122. The cubic root of 1111401343 is about 1035.8343425963.

Adding to 1111401343 its reverse (3431041111), we get a palindrome (4542442454).

The spelling of 1111401343 in words is "one billion, one hundred eleven million, four hundred one thousand, three hundred forty-three".