71391353308 has 48 divisors (see below), whose sum is σ = 139240539648. Its totient is φ = 31749200000.

The previous prime is 71391353303. The next prime is 71391353323. The reversal of 71391353308 is 80335319317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71391353303) 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, 10193808 + ... + 10200808.

It is an arithmetic number, because the mean of its divisors is an integer number (2900844576).

Almost surely, 2^71391353308 is an apocalyptic number.

It is an amenable number.

71391353308 is a deficient number, since it is larger than the sum of its proper divisors (67849186340).

71391353308 is a wasteful number, since it uses less digits than its factorization.

71391353308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994 (or 11992 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 71391353308 in words is "seventy-one billion, three hundred ninety-one million, three hundred fifty-three thousand, three hundred eight".