111228073807 has 8 divisors (see below), whose sum is σ = 122891376096. Its totient is φ = 100133713152.

The previous prime is 111228073777. The next prime is 111228073837. The reversal of 111228073807 is 708370822111.

It is an interprime number because it is at equal distance from previous prime (111228073777) and next prime (111228073837).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111228073807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111228073807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111228073837) 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, 142234998 + ... + 142235779.

It is an arithmetic number, because the mean of its divisors is an integer number (15361422012).

Almost surely, 2^111228073807 is an apocalyptic number.

111228073807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111228073807 is a deficient number, since it is larger than the sum of its proper divisors (11663302289).

111228073807 is a wasteful number, since it uses less digits than its factorization.

111228073807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284470817.

The product of its (nonzero) digits is 37632, while the sum is 40.

Adding to 111228073807 its reverse (708370822111), we get a palindrome (819598895918).

The spelling of 111228073807 in words is "one hundred eleven billion, two hundred twenty-eight million, seventy-three thousand, eight hundred seven".