11131336564 has 6 divisors (see below), whose sum is σ = 19479838994. Its totient is φ = 5565668280.

The previous prime is 11131336543. The next prime is 11131336609. The reversal of 11131336564 is 46563313111.

It can be written as a sum of positive squares in only one way, i.e., 7830834064 + 3300502500 = 88492^2 + 57450^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391417067 + ... + 1391417074.

Almost surely, 2^11131336564 is an apocalyptic number.

It is an amenable number.

11131336564 is a deficient number, since it is larger than the sum of its proper divisors (8348502430).

11131336564 is a wasteful number, since it uses less digits than its factorization.

11131336564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782834145 (or 2782834143 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

Adding to 11131336564 its reverse (46563313111), we get a palindrome (57694649675).

The spelling of 11131336564 in words is "eleven billion, one hundred thirty-one million, three hundred thirty-six thousand, five hundred sixty-four".