111010506005 has 16 divisors (see below), whose sum is σ = 161198449920. Its totient is φ = 71643754752.

The previous prime is 111010506001. The next prime is 111010506011. The reversal of 111010506005 is 500605010111.

It is a cyclic number.

It is not a de Polignac number, because 111010506005 - 2² = 111010506001 is a prime.

It is a super-2 number, since 2×111010506005² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010506001) 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, 93285545 + ... + 93286734.

It is an arithmetic number, because the mean of its divisors is an integer number (10074903120).

Almost surely, 2^111010506005 is an apocalyptic number.

It is an amenable number.

111010506005 is a deficient number, since it is larger than the sum of its proper divisors (50187943915).

111010506005 is a wasteful number, since it uses less digits than its factorization.

111010506005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186572308.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 111010506005 its reverse (500605010111), we get a palindrome (611615516116).

The spelling of 111010506005 in words is "one hundred eleven billion, ten million, five hundred six thousand, five".