11130231011 has 8 divisors (see below), whose sum is σ = 11172411360. Its totient is φ = 11088113472.

The previous prime is 11130230981. The next prime is 11130231023. The reversal of 11130231011 is 11013203111.

It is a happy number.

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 11130231011 - 2²² = 11126036707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130231071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355841 + ... + 385853.

It is an arithmetic number, because the mean of its divisors is an integer number (1396551420).

Almost surely, 2^11130231011 is an apocalyptic number.

11130231011 is a deficient number, since it is larger than the sum of its proper divisors (42180349).

11130231011 is a wasteful number, since it uses less digits than its factorization.

11130231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31405.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11130231011 its reverse (11013203111), we get a palindrome (22143434122).

The spelling of 11130231011 in words is "eleven billion, one hundred thirty million, two hundred thirty-one thousand, eleven".