71385600000 has 936 divisors, whose sum is σ = 281035700064. Its totient is φ = 15974400000.

The previous prime is 71385599947. The next prime is 71385600007. The reversal of 71385600000 is 658317.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71385600007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5491199994 + ... + 5491200006.

Almost surely, 2^71385600000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71385600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140517850032).

71385600000 is an abundant number, since it is smaller than the sum of its proper divisors (209650100064).

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

71385600000 is an equidigital number, since it uses as much as digits as its factorization.

71385600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 71385600000 in words is "seventy-one billion, three hundred eighty-five million, six hundred thousand".