11409009216866 has 32 divisors (see below), whose sum is σ = 17481026534400. Its totient is φ = 5582888528080.

The previous prime is 11409009216809. The next prime is 11409009216877. The reversal of 11409009216866 is 66861290090411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48264101 + ... + 48499911.

It is an arithmetic number, because the mean of its divisors is an integer number (546282079200).

Almost surely, 2^{11409009216866} is an apocalyptic number.

11409009216866 is a deficient number, since it is larger than the sum of its proper divisors (6072017317534).

11409009216866 is a wasteful number, since it uses less digits than its factorization.

11409009216866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237694.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 11409009216866 in words is "eleven trillion, four hundred nine billion, nine million, two hundred sixteen thousand, eight hundred sixty-six".