71000422501005 has 64 divisors (see below), whose sum is σ = 130823712518400. Its totient is φ = 36505448789760.

The previous prime is 71000422500949. The next prime is 71000422501007. The reversal of 71000422501005 is 50010522400017.

It is not a de Polignac number, because 71000422501005 - 2¹² = 71000422496909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 71000422501005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000422501007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64658751 + ... + 65747660.

It is an arithmetic number, because the mean of its divisors is an integer number (2044120508100).

Almost surely, 2^{71000422501005} is an apocalyptic number.

It is an amenable number.

71000422501005 is a deficient number, since it is larger than the sum of its proper divisors (59823290017395).

71000422501005 is a wasteful number, since it uses less digits than its factorization.

71000422501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130406571 (or 130406565 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 71000422501005 in words is "seventy-one trillion, four hundred twenty-two million, five hundred one thousand, five".