111660610011 has 8 divisors (see below), whose sum is σ = 148987238400. Its totient is φ = 74387194152.

The previous prime is 111660610003. The next prime is 111660610063. The reversal of 111660610011 is 110016066111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111660610011 - 2³ = 111660610003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111660610001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13298235 + ... + 13306628.

It is an arithmetic number, because the mean of its divisors is an integer number (18623404800).

Almost surely, 2^111660610011 is an apocalyptic number.

111660610011 is a deficient number, since it is larger than the sum of its proper divisors (37326628389).

111660610011 is a wasteful number, since it uses less digits than its factorization.

111660610011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606265.

The product of its (nonzero) digits is 216, while the sum is 24.

Adding to 111660610011 its reverse (110016066111), we get a palindrome (221676676122).

The spelling of 111660610011 in words is "one hundred eleven billion, six hundred sixty million, six hundred ten thousand, eleven".