111546312016 has 10 divisors (see below), whose sum is σ = 216120979562. Its totient is φ = 55773156000.

The previous prime is 111546312001. The next prime is 111546312023. The reversal of 111546312016 is 610213645111.

It can be written as a sum of positive squares in only one way, i.e., 83555683600 + 27990628416 = 289060^2 + 167304^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485822235 + ... + 3485822266.

Almost surely, 2^111546312016 is an apocalyptic number.

111546312016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111546312016 is a deficient number, since it is larger than the sum of its proper divisors (104574667546).

111546312016 is an equidigital number, since it uses as much as digits as its factorization.

111546312016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971644509 (or 6971644503 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 111546312016 its reverse (610213645111), we get a palindrome (721759957127).

The spelling of 111546312016 in words is "one hundred eleven billion, five hundred forty-six million, three hundred twelve thousand, sixteen".