111642008507 has 16 divisors (see below), whose sum is σ = 118978191360. Its totient is φ = 104391923328.

The previous prime is 111642008459. The next prime is 111642008519. The reversal of 111642008507 is 705800246111.

It is a cyclic number.

It is not a de Polignac number, because 111642008507 - 2¹⁴ = 111641992123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111642008567) 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, 6177158 + ... + 6195204.

It is an arithmetic number, because the mean of its divisors is an integer number (7436136960).

Almost surely, 2^111642008507 is an apocalyptic number.

111642008507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111642008507 is a deficient number, since it is larger than the sum of its proper divisors (7336182853).

111642008507 is a wasteful number, since it uses less digits than its factorization.

111642008507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20410.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 111642008507 in words is "one hundred eleven billion, six hundred forty-two million, eight thousand, five hundred seven".