11214643305 has 32 divisors (see below), whose sum is σ = 18062152704. Its totient is φ = 5941688256.

The previous prime is 11214643289. The next prime is 11214643339. The reversal of 11214643305 is 50334641211.

It is not a de Polignac number, because 11214643305 - 2⁴ = 11214643289 is a prime.

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, 1654854 + ... + 1661616.

It is an arithmetic number, because the mean of its divisors is an integer number (564442272).

Almost surely, 2^11214643305 is an apocalyptic number.

11214643305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11214643305 is a deficient number, since it is larger than the sum of its proper divisors (6847509399).

11214643305 is a wasteful number, since it uses less digits than its factorization.

11214643305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11214643305 in words is "eleven billion, two hundred fourteen million, six hundred forty-three thousand, three hundred five".