71145496371 has 16 divisors (see below), whose sum is σ = 99900138240. Its totient is φ = 44912933280.

The previous prime is 71145496363. The next prime is 71145496381. The reversal of 71145496371 is 17369454117.

It is not a de Polignac number, because 71145496371 - 2³ = 71145496363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71145496371.

It is not an unprimeable number, because it can be changed into a prime (71145496321) 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, 169455 + ... + 413528.

It is an arithmetic number, because the mean of its divisors is an integer number (6243758640).

Almost surely, 2^71145496371 is an apocalyptic number.

71145496371 is a deficient number, since it is larger than the sum of its proper divisors (28754641869).

71145496371 is a wasteful number, since it uses less digits than its factorization.

71145496371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585146.

The product of its digits is 635040, while the sum is 48.

The spelling of 71145496371 in words is "seventy-one billion, one hundred forty-five million, four hundred ninety-six thousand, three hundred seventy-one".