111600555011666 has 16 divisors (see below), whose sum is σ = 202569074643456. Its totient is φ = 45015349920576.

The previous prime is 111600555011611. The next prime is 111600555011669. The reversal of 111600555011666 is 666110555006111.

It is not an unprimeable number, because it can be changed into a prime (111600555011669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234454947266 + ... + 234454947741.

It is an arithmetic number, because the mean of its divisors is an integer number (12660567165216).

Almost surely, 2^{111600555011666} is an apocalyptic number.

111600555011666 is a deficient number, since it is larger than the sum of its proper divisors (90968519631790).

111600555011666 is a wasteful number, since it uses less digits than its factorization.

111600555011666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468909895033.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 111600555011666 in words is "one hundred eleven trillion, six hundred billion, five hundred fifty-five million, eleven thousand, six hundred sixty-six".