11140105305 has 32 divisors (see below), whose sum is σ = 20379744000. Its totient is φ = 5090303232.

The previous prime is 11140105279. The next prime is 11140105313. The reversal of 11140105305 is 50350104111.

It is a happy number.

It is not a de Polignac number, because 11140105305 - 2¹¹ = 11140103257 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219471 + ... + 265419.

It is an arithmetic number, because the mean of its divisors is an integer number (636867000).

Almost surely, 2^11140105305 is an apocalyptic number.

11140105305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11140105305 is a deficient number, since it is larger than the sum of its proper divisors (9239638695).

11140105305 is a wasteful number, since it uses less digits than its factorization.

11140105305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48273.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11140105305 its reverse (50350104111), we get a palindrome (61490209416).

The spelling of 11140105305 in words is "eleven billion, one hundred forty million, one hundred five thousand, three hundred five".