71601742113 has 8 divisors (see below), whose sum is σ = 104147988576. Its totient is φ = 43394995200.

The previous prime is 71601742109. The next prime is 71601742141. The reversal of 71601742113 is 31124710617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71601742113 - 2² = 71601742109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2169749761 = 71601742113 / (7 + 1 + 6 + 0 + 1 + 7 + 4 + 2 + 1 + 1 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71601743113) 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 7 ways as a sum of consecutive naturals, for example, 1084874848 + ... + 1084874913.

It is an arithmetic number, because the mean of its divisors is an integer number (13018498572).

Almost surely, 2^71601742113 is an apocalyptic number.

It is an amenable number.

71601742113 is a deficient number, since it is larger than the sum of its proper divisors (32546246463).

71601742113 is a wasteful number, since it uses less digits than its factorization.

71601742113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169749775.

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 71601742113 in words is "seventy-one billion, six hundred one million, seven hundred forty-two thousand, one hundred thirteen".