11224978705 has 16 divisors (see below), whose sum is σ = 14287991760. Its totient is φ = 8436539392.

The previous prime is 11224978649. The next prime is 11224978741. The reversal of 11224978705 is 50787942211.

It is a Cunningham number, because it is equal to 105948²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 2485720449 + 8739258256 = 49857^2 + 93484^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224978705 - 2⁷ = 11224978577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71200 + ... + 165889.

It is an arithmetic number, because the mean of its divisors is an integer number (892999485).

Almost surely, 2^11224978705 is an apocalyptic number.

It is an amenable number.

11224978705 is a deficient number, since it is larger than the sum of its proper divisors (3063013055).

11224978705 is a wasteful number, since it uses less digits than its factorization.

11224978705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237668.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 11224978705 in words is "eleven billion, two hundred twenty-four million, nine hundred seventy-eight thousand, seven hundred five".