111061581067 has 4 divisors (see below), whose sum is σ = 111062715520. Its totient is φ = 111060446616.

The previous prime is 111061581053. The next prime is 111061581079. The reversal of 111061581067 is 760185160111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111061581067 - 2¹¹ = 111061579019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111061581047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404892 + ... + 621337.

It is an arithmetic number, because the mean of its divisors is an integer number (27765678880).

Almost surely, 2^111061581067 is an apocalyptic number.

111061581067 is a deficient number, since it is larger than the sum of its proper divisors (1134453).

111061581067 is a wasteful number, since it uses less digits than its factorization.

111061581067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134452.

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 111061581067 in words is "one hundred eleven billion, sixty-one million, five hundred eighty-one thousand, sixty-seven".