11772416648 has 8 divisors (see below), whose sum is σ = 22073281230. Its totient is φ = 5886208320.

The previous prime is 11772416639. The next prime is 11772416693. The reversal of 11772416648 is 84661427711.

It can be written as a sum of positive squares in only one way, i.e., 11768344324 + 4072324 = 108482^2 + 2018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735776033 + ... + 735776048.

Almost surely, 2^11772416648 is an apocalyptic number.

It is an amenable number.

11772416648 is a deficient number, since it is larger than the sum of its proper divisors (10300864582).

11772416648 is a wasteful number, since it uses less digits than its factorization.

11772416648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471552087 (or 1471552083 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The spelling of 11772416648 in words is "eleven billion, seven hundred seventy-two million, four hundred sixteen thousand, six hundred forty-eight".