111601005005 has 16 divisors (see below), whose sum is σ = 153215501184. Its totient is φ = 76445056320.

The previous prime is 111601005001. The next prime is 111601005059. The reversal of 111601005005 is 500500106111.

It is not a de Polignac number, because 111601005005 - 2² = 111601005001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111601005001) 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, 1661327 + ... + 1727196.

It is an arithmetic number, because the mean of its divisors is an integer number (9575968824).

Almost surely, 2^111601005005 is an apocalyptic number.

It is an amenable number.

111601005005 is a deficient number, since it is larger than the sum of its proper divisors (41614496179).

111601005005 is an equidigital number, since it uses as much as digits as its factorization.

111601005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389476.

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

The spelling of 111601005005 in words is "one hundred eleven billion, six hundred one million, five thousand, five".