111727000001 has 4 divisors (see below), whose sum is σ = 111817910100. Its totient is φ = 111636089904.

The previous prime is 111726999997. The next prime is 111727000003. The reversal of 111727000001 is 100000727111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100000727111 = 2221 ⋅45025091.

It can be written as a sum of positive squares in 2 ways, for example, as 87725554225 + 24001445776 = 296185^2 + 154924^2 .

It is a cyclic number.

It is not a de Polignac number, because 111727000001 - 2² = 111726999997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111727000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45453206 + ... + 45455663.

It is an arithmetic number, because the mean of its divisors is an integer number (27954477525).

Almost surely, 2^111727000001 is an apocalyptic number.

It is an amenable number.

111727000001 is a deficient number, since it is larger than the sum of its proper divisors (90910099).

111727000001 is an equidigital number, since it uses as much as digits as its factorization.

111727000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90910098.

The product of its (nonzero) digits is 98, while the sum is 20.

Adding to 111727000001 its reverse (100000727111), we get a palindrome (211727727112).

The spelling of 111727000001 in words is "one hundred eleven billion, seven hundred twenty-seven million, one", and thus it is an aban number.