11085975231 has 8 divisors (see below), whose sum is σ = 14927650224. Its totient is φ = 7317475200.

The previous prime is 11085975227. The next prime is 11085975259. The reversal of 11085975231 is 13257958011.

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

It is not a de Polignac number, because 11085975231 - 2² = 11085975227 is a prime.

It is a super-2 number, since 2×11085975231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085975431) 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, 18293386 + ... + 18293991.

It is an arithmetic number, because the mean of its divisors is an integer number (1865956278).

Almost surely, 2^11085975231 is an apocalyptic number.

11085975231 is a deficient number, since it is larger than the sum of its proper divisors (3841674993).

11085975231 is a wasteful number, since it uses less digits than its factorization.

11085975231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36587481.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 11085975231 in words is "eleven billion, eighty-five million, nine hundred seventy-five thousand, two hundred thirty-one".