73147711110161 has 4 divisors (see below), whose sum is σ = 73296688119024. Its totient is φ = 72998734101300.

The previous prime is 73147711110137. The next prime is 73147711110209. The reversal of 73147711110161 is 16101111774137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73147711110161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73147711110101) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 74488503695 + ... + 74488504676.

It is an arithmetic number, because the mean of its divisors is an integer number (18324172029756).

Almost surely, 2^{73147711110161} is an apocalyptic number.

It is an amenable number.

73147711110161 is a deficient number, since it is larger than the sum of its proper divisors (148977008863).

73147711110161 is a wasteful number, since it uses less digits than its factorization.

73147711110161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148977008862.

The product of its (nonzero) digits is 24696, while the sum is 41.

Adding to 73147711110161 its reverse (16101111774137), we get a palindrome (89248822884298).

The spelling of 73147711110161 in words is "seventy-three trillion, one hundred forty-seven billion, seven hundred eleven million, one hundred ten thousand, one hundred sixty-one".