11238729686 has 8 divisors (see below), whose sum is σ = 16859899224. Its totient is φ = 5618763280.

The previous prime is 11238729661. The next prime is 11238729707. The reversal of 11238729686 is 68692783211.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277055 + ... + 315018.

It is an arithmetic number, because the mean of its divisors is an integer number (2107487403).

Almost surely, 2^11238729686 is an apocalyptic number.

11238729686 is a deficient number, since it is larger than the sum of its proper divisors (5621169538).

11238729686 is an equidigital number, since it uses as much as digits as its factorization.

11238729686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601566.

The product of its digits is 1741824, while the sum is 53.

The spelling of 11238729686 in words is "eleven billion, two hundred thirty-eight million, seven hundred twenty-nine thousand, six hundred eighty-six".