111557050016666 has 32 divisors (see below), whose sum is σ = 168626545476480. Its totient is φ = 55348543641600.

The previous prime is 111557050016651. The next prime is 111557050016701. The reversal of 111557050016666 is 666610050755111.

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, 12019933946 + ... + 12019943226.

It is an arithmetic number, because the mean of its divisors is an integer number (5269579546140).

Almost surely, 2^{111557050016666} is an apocalyptic number.

111557050016666 is a deficient number, since it is larger than the sum of its proper divisors (57069495459814).

111557050016666 is a wasteful number, since it uses less digits than its factorization.

111557050016666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22790.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 111557050016666 in words is "one hundred eleven trillion, five hundred fifty-seven billion, fifty million, sixteen thousand, six hundred sixty-six".