11011103129 has 8 divisors (see below), whose sum is σ = 11937697800. Its totient is φ = 10095878016.

The previous prime is 11011103111. The next prime is 11011103189. The reversal of 11011103129 is 92130111011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 757515529 + 10253587600 = 27523^2 + 101260^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011103129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011103129.

It is not an unprimeable number, because it can be changed into a prime (11011103189) 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, 2840372 + ... + 2844245.

It is an arithmetic number, because the mean of its divisors is an integer number (1492212225).

Almost surely, 2^11011103129 is an apocalyptic number.

It is an amenable number.

11011103129 is a deficient number, since it is larger than the sum of its proper divisors (926594671).

11011103129 is a wasteful number, since it uses less digits than its factorization.

11011103129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684779.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 11011103129 in words is "eleven billion, eleven million, one hundred three thousand, one hundred twenty-nine".