11564743712572 has 24 divisors (see below), whose sum is σ = 21429449115984. Its totient is φ = 5442064895232.

The previous prime is 11564743712507. The next prime is 11564743712573. The reversal of 11564743712572 is 27521734746511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564743712573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375823 + ... + 4823974.

It is an arithmetic number, because the mean of its divisors is an integer number (892893713166).

Almost surely, 2^{11564743712572} is an apocalyptic number.

It is an amenable number.

11564743712572 is a deficient number, since it is larger than the sum of its proper divisors (9864705403412).

11564743712572 is a wasteful number, since it uses less digits than its factorization.

11564743712572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232525 (or 5232523 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 11564743712572 in words is "eleven trillion, five hundred sixty-four billion, seven hundred forty-three million, seven hundred twelve thousand, five hundred seventy-two".