11311212404 has 6 divisors (see below), whose sum is σ = 19794621714. Its totient is φ = 5655606200.

The previous prime is 11311212379. The next prime is 11311212433. The reversal of 11311212404 is 40421211311.

11311212404 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 only one way, i.e., 8208722404 + 3102490000 = 90602^2 + 55700^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1413901547 + ... + 1413901554.

It is an arithmetic number, because the mean of its divisors is an integer number (3299103619).

Almost surely, 2^11311212404 is an apocalyptic number.

It is an amenable number.

11311212404 is a deficient number, since it is larger than the sum of its proper divisors (8483409310).

11311212404 is a wasteful number, since it uses less digits than its factorization.

11311212404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827803105 (or 2827803103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11311212404 its reverse (40421211311), we get a palindrome (51732423715).

The spelling of 11311212404 in words is "eleven billion, three hundred eleven million, two hundred twelve thousand, four hundred four".