71520196265 has 16 divisors (see below), whose sum is σ = 98191614720. Its totient is φ = 48989033280.

The previous prime is 71520196261. The next prime is 71520196301. The reversal of 71520196265 is 56269102517.

It is a happy number.

It is not a de Polignac number, because 71520196265 - 2² = 71520196261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71520196261) 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, 1079606 + ... + 1143935.

It is an arithmetic number, because the mean of its divisors is an integer number (6136975920).

Almost surely, 2^71520196265 is an apocalyptic number.

It is an amenable number.

71520196265 is a deficient number, since it is larger than the sum of its proper divisors (26671418455).

71520196265 is a wasteful number, since it uses less digits than its factorization.

71520196265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224472.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 71520196265 in words is "seventy-one billion, five hundred twenty million, one hundred ninety-six thousand, two hundred sixty-five".