11903866729 has 8 divisors (see below), whose sum is σ = 12432134592. Its totient is φ = 11376491280.

The previous prime is 11903866649. The next prime is 11903866759. The reversal of 11903866729 is 92766830911.

It is a happy number.

11903866729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11903866729 - 2²³ = 11895478121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11903866759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195762 + ... + 249259.

It is an arithmetic number, because the mean of its divisors is an integer number (1554016824).

Almost surely, 2^11903866729 is an apocalyptic number.

It is an amenable number.

11903866729 is a deficient number, since it is larger than the sum of its proper divisors (528267863).

11903866729 is a wasteful number, since it uses less digits than its factorization.

11903866729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446207.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 11903866729 in words is "eleven billion, nine hundred three million, eight hundred sixty-six thousand, seven hundred twenty-nine".