71255147604 has 48 divisors (see below), whose sum is σ = 168751215360. Its totient is φ = 23398087680.

The previous prime is 71255147599. The next prime is 71255147609. The reversal of 71255147604 is 40674155217.

It is an interprime number because it is at equal distance from previous prime (71255147599) and next prime (71255147609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71255147609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166332 + ... + 412524.

It is an arithmetic number, because the mean of its divisors is an integer number (3515650320).

Almost surely, 2^71255147604 is an apocalyptic number.

It is an amenable number.

71255147604 is an abundant number, since it is smaller than the sum of its proper divisors (97496067756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71255147604 is a wasteful number, since it uses less digits than its factorization.

71255147604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246560 (or 246558 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 71255147604 in words is "seventy-one billion, two hundred fifty-five million, one hundred forty-seven thousand, six hundred four".