71461171436 has 12 divisors (see below), whose sum is σ = 125685478800. Its totient is φ = 35551034640.

The previous prime is 71461171409. The next prime is 71461171447. The reversal of 71461171436 is 63417116417.

It is a junction number, because it is equal to n+sod(n) for n = 71461171393 and 71461171402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44886875 + ... + 44888466.

It is an arithmetic number, because the mean of its divisors is an integer number (10473789900).

Almost surely, 2^71461171436 is an apocalyptic number.

It is an amenable number.

71461171436 is a deficient number, since it is larger than the sum of its proper divisors (54224307364).

71461171436 is a wasteful number, since it uses less digits than its factorization.

71461171436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89775544 (or 89775542 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The spelling of 71461171436 in words is "seventy-one billion, four hundred sixty-one million, one hundred seventy-one thousand, four hundred thirty-six".