11865544804 has 6 divisors (see below), whose sum is σ = 20764703414. Its totient is φ = 5932772400.

The previous prime is 11865544799. The next prime is 11865544843. The reversal of 11865544804 is 40844556811.

11865544804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8546632704 + 3318912100 = 92448^2 + 57610^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483193097 + ... + 1483193104.

Almost surely, 2^11865544804 is an apocalyptic number.

It is an amenable number.

11865544804 is a deficient number, since it is larger than the sum of its proper divisors (8899158610).

11865544804 is a wasteful number, since it uses less digits than its factorization.

11865544804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966386205 (or 2966386203 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 11865544804 in words is "eleven billion, eight hundred sixty-five million, five hundred forty-four thousand, eight hundred four".