11566356044 has 6 divisors (see below), whose sum is σ = 20241123084. Its totient is φ = 5783178020.

The previous prime is 11566356031. The next prime is 11566356059. The reversal of 11566356044 is 44065366511.

It is a junction number, because it is equal to n+sod(n) for n = 11566355992 and 11566356010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445794502 + ... + 1445794509.

It is an arithmetic number, because the mean of its divisors is an integer number (3373520514).

Almost surely, 2^11566356044 is an apocalyptic number.

It is an amenable number.

11566356044 is a deficient number, since it is larger than the sum of its proper divisors (8674767040).

11566356044 is a wasteful number, since it uses less digits than its factorization.

11566356044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891589015 (or 2891589013 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 11566356044 in words is "eleven billion, five hundred sixty-six million, three hundred fifty-six thousand, forty-four".