11231201204 has 12 divisors (see below), whose sum is σ = 19731080964. Its totient is φ = 5593749504.

The previous prime is 11231201159. The next prime is 11231201273. The reversal of 11231201204 is 40210213211.

It can be written as a sum of positive squares in 2 ways, for example, as 10720531600 + 510669604 = 103540^2 + 22598^2 .

It is a super-2 number, since 2×11231201204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5461619 + ... + 5463674.

It is an arithmetic number, because the mean of its divisors is an integer number (1644256747).

Almost surely, 2^11231201204 is an apocalyptic number.

It is an amenable number.

11231201204 is a deficient number, since it is larger than the sum of its proper divisors (8499879760).

11231201204 is a wasteful number, since it uses less digits than its factorization.

11231201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925554 (or 10925552 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11231201204 its reverse (40210213211), we get a palindrome (51441414415).

The spelling of 11231201204 in words is "eleven billion, two hundred thirty-one million, two hundred one thousand, two hundred four".