71500225701 has 4 divisors (see below), whose sum is σ = 95333634272. Its totient is φ = 47666817132.

The previous prime is 71500225627. The next prime is 71500225717. The reversal of 71500225701 is 10752200517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71500225701 - 2³⁰ = 70426483877 is a prime.

It is a super-2 number, since 2×71500225701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71500225751) 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, 11916704281 + ... + 11916704286.

It is an arithmetic number, because the mean of its divisors is an integer number (23833408568).

Almost surely, 2^71500225701 is an apocalyptic number.

It is an amenable number.

71500225701 is a deficient number, since it is larger than the sum of its proper divisors (23833408571).

71500225701 is a wasteful number, since it uses less digits than its factorization.

71500225701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23833408570.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 71500225701 in words is "seventy-one billion, five hundred million, two hundred twenty-five thousand, seven hundred one".