111075341661 has 16 divisors (see below), whose sum is σ = 165196368000. Its totient is φ = 73762089984.

The previous prime is 111075341623. The next prime is 111075341669. The reversal of 111075341661 is 166143570111.

It is a happy number.

111075341661 is a `hidden beast` number, since 1 + 1 + 107 + 534 + 16 + 6 + 1 = 666.

It is not a de Polignac number, because 111075341661 - 2¹³ = 111075333469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111075341669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7996761 + ... + 8010638.

It is an arithmetic number, because the mean of its divisors is an integer number (10324773000).

Almost surely, 2^111075341661 is an apocalyptic number.

It is an amenable number.

111075341661 is a deficient number, since it is larger than the sum of its proper divisors (54121026339).

111075341661 is a wasteful number, since it uses less digits than its factorization.

111075341661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007665 (or 16007659 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 111075341661 in words is "one hundred eleven billion, seventy-five million, three hundred forty-one thousand, six hundred sixty-one".