111610666115 has 32 divisors (see below), whose sum is σ = 152935110720. Its totient is φ = 77512218624.

The previous prime is 111610666103. The next prime is 111610666121. The reversal of 111610666115 is 511666016111.

It is a cyclic number.

It is not a de Polignac number, because 111610666115 - 2¹² = 111610662019 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160634 + ... + 499023.

It is an arithmetic number, because the mean of its divisors is an integer number (4779222210).

Almost surely, 2^111610666115 is an apocalyptic number.

111610666115 is a deficient number, since it is larger than the sum of its proper divisors (41324444605).

111610666115 is a wasteful number, since it uses less digits than its factorization.

111610666115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659831.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 111610666115 in words is "one hundred eleven billion, six hundred ten million, six hundred sixty-six thousand, one hundred fifteen".