11331214564 has 6 divisors (see below), whose sum is σ = 19829625494. Its totient is φ = 5665607280.

The previous prime is 11331214549. The next prime is 11331214577. The reversal of 11331214564 is 46541213311.

It can be written as a sum of positive squares in only one way, i.e., 10569896100 + 761318464 = 102810^2 + 27592^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416401817 + ... + 1416401824.

Almost surely, 2^11331214564 is an apocalyptic number.

It is an amenable number.

11331214564 is a deficient number, since it is larger than the sum of its proper divisors (8498410930).

11331214564 is a wasteful number, since it uses less digits than its factorization.

11331214564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832803645 (or 2832803643 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 11331214564 its reverse (46541213311), we get a palindrome (57872427875).

The spelling of 11331214564 in words is "eleven billion, three hundred thirty-one million, two hundred fourteen thousand, five hundred sixty-four".