71137891822 has 32 divisors (see below), whose sum is σ = 110388096000. Its totient is φ = 34365196320.

The previous prime is 71137891819. The next prime is 71137891823. The reversal of 71137891822 is 22819873117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71137891823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723179 + ... + 2749177.

It is an arithmetic number, because the mean of its divisors is an integer number (3449628000).

Almost surely, 2^71137891822 is an apocalyptic number.

71137891822 is a deficient number, since it is larger than the sum of its proper divisors (39250204178).

71137891822 is a wasteful number, since it uses less digits than its factorization.

71137891822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448.

The product of its digits is 338688, while the sum is 49.

The spelling of 71137891822 in words is "seventy-one billion, one hundred thirty-seven million, eight hundred ninety-one thousand, eight hundred twenty-two".