11546665555 has 8 divisors (see below), whose sum is σ = 13925628000. Its totient is φ = 9190912896.

The previous prime is 11546665531. The next prime is 11546665561. The reversal of 11546665555 is 55556664511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11546665555 - 2¹⁹ = 11546141267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11546665499 and 11546665508.

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, 5801350 + ... + 5803339.

It is an arithmetic number, because the mean of its divisors is an integer number (1740703500).

Almost surely, 2^11546665555 is an apocalyptic number.

11546665555 is a deficient number, since it is larger than the sum of its proper divisors (2378962445).

11546665555 is a wasteful number, since it uses less digits than its factorization.

11546665555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604893.

The product of its digits is 2700000, while the sum is 49.

The spelling of 11546665555 in words is "eleven billion, five hundred forty-six million, six hundred sixty-five thousand, five hundred fifty-five".