111107060661 has 16 divisors (see below), whose sum is σ = 153561415680. Its totient is φ = 71382035760.

The previous prime is 111107060657. The next prime is 111107060671. The reversal of 111107060661 is 166060701111.

It is not a de Polignac number, because 111107060661 - 2² = 111107060657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111107060671) 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, 2477145 + ... + 2521598.

It is an arithmetic number, because the mean of its divisors is an integer number (9597588480).

Almost surely, 2^111107060661 is an apocalyptic number.

It is an amenable number.

111107060661 is a deficient number, since it is larger than the sum of its proper divisors (42454355019).

111107060661 is a wasteful number, since it uses less digits than its factorization.

111107060661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999016.

The product of its (nonzero) digits is 1512, while the sum is 30.

Adding to 111107060661 its reverse (166060701111), we get a palindrome (277167761772).

The spelling of 111107060661 in words is "one hundred eleven billion, one hundred seven million, sixty thousand, six hundred sixty-one".