1011440334305 has 8 divisors (see below), whose sum is σ = 1216982366952. Its totient is φ = 806982956928.

The previous prime is 1011440334263. The next prime is 1011440334323. The reversal of 1011440334305 is 5034330441101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94118876944 + 917321457361 = 306788^2 + 957769^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1011440334305 - 2¹² = 1011440330209 is a prime.

It is a Duffinian 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, 271161764 + ... + 271165493.

It is an arithmetic number, because the mean of its divisors is an integer number (152122795869).

Almost surely, 2^{1011440334305} is an apocalyptic number.

It is an amenable number.

1011440334305 is a deficient number, since it is larger than the sum of its proper divisors (205542032647).

1011440334305 is an equidigital number, since it uses as much as digits as its factorization.

1011440334305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542327635.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1011440334305 its reverse (5034330441101), we get a palindrome (6045770775406).

The spelling of 1011440334305 in words is "one trillion, eleven billion, four hundred forty million, three hundred thirty-four thousand, three hundred five".