111653042472161 has 8 divisors (see below), whose sum is σ = 111703757245248. Its totient is φ = 111602339118000.

The previous prime is 111653042472151. The next prime is 111653042472163. The reversal of 111653042472161 is 161274240356111.

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-111653042472161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111653042472163) 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, 16736006 + ... + 22436576.

It is an arithmetic number, because the mean of its divisors is an integer number (13962969655656).

Almost surely, 2^{111653042472161} is an apocalyptic number.

It is an amenable number.

111653042472161 is a deficient number, since it is larger than the sum of its proper divisors (50714773087).

111653042472161 is an equidigital number, since it uses as much as digits as its factorization.

111653042472161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709463.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 111653042472161 in words is "one hundred eleven trillion, six hundred fifty-three billion, forty-two million, four hundred seventy-two thousand, one hundred sixty-one".