11544362644 has 6 divisors (see below), whose sum is σ = 20202634634. Its totient is φ = 5772181320.

The previous prime is 11544362633. The next prime is 11544362657. The reversal of 11544362644 is 44626344511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11532182544 + 12180100 = 107388^2 + 3490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11544362597 and 11544362606.

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, 1443045327 + ... + 1443045334.

Almost surely, 2^11544362644 is an apocalyptic number.

It is an amenable number.

11544362644 is a deficient number, since it is larger than the sum of its proper divisors (8658271990).

11544362644 is a wasteful number, since it uses less digits than its factorization.

11544362644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886090665 (or 2886090663 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The spelling of 11544362644 in words is "eleven billion, five hundred forty-four million, three hundred sixty-two thousand, six hundred forty-four".