111652016161 has 16 divisors (see below), whose sum is σ = 128951931136. Its totient is φ = 94690031616.

The previous prime is 111652016153. The next prime is 111652016191. The reversal of 111652016161 is 161610256111.

It is a cyclic number.

It is not a de Polignac number, because 111652016161 - 2³ = 111652016153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111652016111) 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, 2816500 + ... + 2855866.

It is an arithmetic number, because the mean of its divisors is an integer number (8059495696).

Almost surely, 2^111652016161 is an apocalyptic number.

It is an amenable number.

111652016161 is a deficient number, since it is larger than the sum of its proper divisors (17299914975).

111652016161 is an equidigital number, since it uses as much as digits as its factorization.

111652016161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43648.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 111652016161 in words is "one hundred eleven billion, six hundred fifty-two million, sixteen thousand, one hundred sixty-one".