111616687351 has 4 divisors (see below), whose sum is σ = 120202586392. Its totient is φ = 103030788312.

The previous prime is 111616687319. The next prime is 111616687363. The reversal of 111616687351 is 153786616111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111616687351 - 2⁵ = 111616687319 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 (111616687451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292949501 + ... + 4292949526.

It is an arithmetic number, because the mean of its divisors is an integer number (30050646598).

Almost surely, 2^111616687351 is an apocalyptic number.

111616687351 is a deficient number, since it is larger than the sum of its proper divisors (8585899041).

111616687351 is an equidigital number, since it uses as much as digits as its factorization.

111616687351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585899040.

The product of its digits is 181440, while the sum is 46.

The spelling of 111616687351 in words is "one hundred eleven billion, six hundred sixteen million, six hundred eighty-seven thousand, three hundred fifty-one".