11550305129 has 8 divisors (see below), whose sum is σ = 12606189600. Its totient is φ = 10495396800.

The previous prime is 11550305111. The next prime is 11550305141. The reversal of 11550305129 is 92150305511.

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 11550305129 - 2¹² = 11550301033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11550305095 and 11550305104.

It is not an unprimeable number, because it can be changed into a prime (11550307129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219179 + ... + 266720.

It is an arithmetic number, because the mean of its divisors is an integer number (1575773700).

Almost surely, 2^11550305129 is an apocalyptic number.

It is an amenable number.

11550305129 is a deficient number, since it is larger than the sum of its proper divisors (1055884471).

11550305129 is a wasteful number, since it uses less digits than its factorization.

11550305129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488071.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 11550305129 in words is "eleven billion, five hundred fifty million, three hundred five thousand, one hundred twenty-nine".