71107071137 has 4 divisors (see below), whose sum is σ = 71117899056. Its totient is φ = 71096243220.

The previous prime is 71107071127. The next prime is 71107071149. The reversal of 71107071137 is 73117070117.

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 not a de Polignac number, because 71107071137 - 2⁶ = 71107071073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71107071097 and 71107071106.

It is not an unprimeable number, because it can be changed into a prime (71107071127) 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 3 ways as a sum of consecutive naturals, for example, 5404103 + ... + 5417244.

It is an arithmetic number, because the mean of its divisors is an integer number (17779474764).

Almost surely, 2^71107071137 is an apocalyptic number.

It is an amenable number.

71107071137 is a deficient number, since it is larger than the sum of its proper divisors (10827919).

71107071137 is a wasteful number, since it uses less digits than its factorization.

71107071137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827918.

The product of its (nonzero) digits is 7203, while the sum is 35.

The spelling of 71107071137 in words is "seventy-one billion, one hundred seven million, seventy-one thousand, one hundred thirty-seven".