71481000005 has 16 divisors (see below), whose sum is σ = 90308107200. Its totient is φ = 54165283200.

The previous prime is 71480999977. The next prime is 71481000011. The reversal of 71481000005 is 50000018417.

It is not a de Polignac number, because 71481000005 - 2¹² = 71480995909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483905 + ... + 614105.

It is an arithmetic number, because the mean of its divisors is an integer number (5644256700).

Almost surely, 2^71481000005 is an apocalyptic number.

It is an amenable number.

71481000005 is a deficient number, since it is larger than the sum of its proper divisors (18827107195).

71481000005 is a wasteful number, since it uses less digits than its factorization.

71481000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136004.

The product of its (nonzero) digits is 1120, while the sum is 26.

The spelling of 71481000005 in words is "seventy-one billion, four hundred eighty-one million, five", and thus it is an aban number.