71267227525 has 12 divisors (see below), whose sum is σ = 95169159652. Its totient is φ = 52628106240.

The previous prime is 71267227511. The next prime is 71267227567. The reversal of 71267227525 is 52572276217.

It can be written as a sum of positive squares in 6 ways, for example, as 23478207076 + 47789020449 = 153226^2 + 218607^2 .

It is not a de Polignac number, because 71267227525 - 2¹⁹ = 71266703237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109641564 + ... + 109642213.

Almost surely, 2^71267227525 is an apocalyptic number.

It is an amenable number.

71267227525 is a deficient number, since it is larger than the sum of its proper divisors (23901932127).

71267227525 is a wasteful number, since it uses less digits than its factorization.

71267227525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219283800 (or 219283795 counting only the distinct ones).

The product of its digits is 823200, while the sum is 46.

The spelling of 71267227525 in words is "seventy-one billion, two hundred sixty-seven million, two hundred twenty-seven thousand, five hundred twenty-five".