71615000125 has 8 divisors (see below), whose sum is σ = 89375520312. Its totient is φ = 57292000000.

The previous prime is 71615000113. The next prime is 71615000179. The reversal of 71615000125 is 52100051617.

It can be written as a sum of positive squares in 4 ways, for example, as 7039042201 + 64575957924 = 83899^2 + 254118^2 .

It is not a de Polignac number, because 71615000125 - 2¹³ = 71614991933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71615000093 and 71615000102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286459876 + ... + 286460125.

It is an arithmetic number, because the mean of its divisors is an integer number (11171940039).

Almost surely, 2^71615000125 is an apocalyptic number.

It is an amenable number.

71615000125 is a deficient number, since it is larger than the sum of its proper divisors (17760520187).

71615000125 is an equidigital number, since it uses as much as digits as its factorization.

71615000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572920016 (or 572920006 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 71615000125 in words is "seventy-one billion, six hundred fifteen million, one hundred twenty-five", and thus it is an aban number.