71525025206072 has 16 divisors (see below), whose sum is σ = 135362781349560. Its totient is φ = 35428283512864.

The previous prime is 71525025206071. The next prime is 71525025206083. The reversal of 71525025206072 is 27060252052517.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71525025206071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41778635363 + ... + 41778637074.

Almost surely, 2^{71525025206072} is an apocalyptic number.

It is an amenable number.

71525025206072 is a deficient number, since it is larger than the sum of its proper divisors (63837756143488).

71525025206072 is a wasteful number, since it uses less digits than its factorization.

71525025206072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83557272550 (or 83557272546 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

Adding to 71525025206072 its reverse (27060252052517), we get a palindrome (98585277258589).

The spelling of 71525025206072 in words is "seventy-one trillion, five hundred twenty-five billion, twenty-five million, two hundred six thousand, seventy-two".