13111006564 has 6 divisors (see below), whose sum is σ = 22944261494. Its totient is φ = 6555503280.

The previous prime is 13111006553. The next prime is 13111006583. The reversal of 13111006564 is 46560011131.

It can be written as a sum of positive squares in only one way, i.e., 11109160000 + 2001846564 = 105400^2 + 44742^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638875817 + ... + 1638875824.

Almost surely, 2^13111006564 is an apocalyptic number.

It is an amenable number.

13111006564 is a deficient number, since it is larger than the sum of its proper divisors (9833254930).

13111006564 is a wasteful number, since it uses less digits than its factorization.

13111006564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277751645 (or 3277751643 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13111006564 its reverse (46560011131), we get a palindrome (59671017695).

The spelling of 13111006564 in words is "thirteen billion, one hundred eleven million, six thousand, five hundred sixty-four".