71601154122 has 16 divisors (see below), whose sum is σ = 143256439872. Its totient is φ = 23858029440.

The previous prime is 71601154109. The next prime is 71601154123. The reversal of 71601154122 is 22145110617.

It is a self number, because there is not a number n which added to its sum of digits gives 71601154122.

It is not an unprimeable number, because it can be changed into a prime (71601154123) 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, 2238279 + ... + 2270042.

It is an arithmetic number, because the mean of its divisors is an integer number (8953527492).

Almost surely, 2^71601154122 is an apocalyptic number.

71601154122 is an abundant number, since it is smaller than the sum of its proper divisors (71655285750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71601154122 is a wasteful number, since it uses less digits than its factorization.

71601154122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510973.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 71601154122 its reverse (22145110617), we get a palindrome (93746264739).

The spelling of 71601154122 in words is "seventy-one billion, six hundred one million, one hundred fifty-four thousand, one hundred twenty-two".