11564034844 has 24 divisors (see below), whose sum is σ = 20478996720. Its totient is φ = 5713172736.

The previous prime is 11564034817. The next prime is 11564034851. The reversal of 11564034844 is 44843046511.

It is a super-2 number, since 2×11564034844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11564034797 and 11564034806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131764 + ... + 201220.

It is an arithmetic number, because the mean of its divisors is an integer number (853291530).

Almost surely, 2^11564034844 is an apocalyptic number.

It is an amenable number.

11564034844 is a deficient number, since it is larger than the sum of its proper divisors (8914961876).

11564034844 is a wasteful number, since it uses less digits than its factorization.

11564034844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69957 (or 69955 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 11564034844 in words is "eleven billion, five hundred sixty-four million, thirty-four thousand, eight hundred forty-four".