11130511205 has 8 divisors (see below), whose sum is σ = 14570851104. Its totient is φ = 8094917200.

The previous prime is 11130511169. The next prime is 11130511243. The reversal of 11130511205 is 50211503111.

It is a happy number.

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

It is not a de Polignac number, because 11130511205 - 2⁸ = 11130510949 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 101186411 + ... + 101186520.

It is an arithmetic number, because the mean of its divisors is an integer number (1821356388).

Almost surely, 2^11130511205 is an apocalyptic number.

It is an amenable number.

11130511205 is a deficient number, since it is larger than the sum of its proper divisors (3440339899).

11130511205 is a wasteful number, since it uses less digits than its factorization.

11130511205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202372947.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 11130511205 in words is "eleven billion, one hundred thirty million, five hundred eleven thousand, two hundred five".