11230495681 has 8 divisors (see below), whose sum is σ = 11926404360. Its totient is φ = 10538508288.

The previous prime is 11230495673. The next prime is 11230495693. The reversal of 11230495681 is 18659403211.

11230495681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5793645456 + 5436850225 = 76116^2 + 73735^2 .

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 11230495681 - 2³ = 11230495673 is a prime.

It is a super-2 number, since 2×11230495681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11230495181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974416 + ... + 985873.

It is an arithmetic number, because the mean of its divisors is an integer number (1490800545).

Almost surely, 2^11230495681 is an apocalyptic number.

It is an amenable number.

11230495681 is a deficient number, since it is larger than the sum of its proper divisors (695908679).

11230495681 is a wasteful number, since it uses less digits than its factorization.

11230495681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960643.

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 11230495681 its reverse (18659403211), we get a palindrome (29889898892).

The spelling of 11230495681 in words is "eleven billion, two hundred thirty million, four hundred ninety-five thousand, six hundred eighty-one".