71810060112 has 800 divisors, whose sum is σ = 262726041600. Its totient is φ = 18475776000.

The previous prime is 71810060089. The next prime is 71810060141. The reversal of 71810060112 is 21106001817.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 475563237 + ... + 475563387.

It is an arithmetic number, because the mean of its divisors is an integer number (328407552).

Almost surely, 2^71810060112 is an apocalyptic number.

71810060112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71810060112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131363020800).

71810060112 is an abundant number, since it is smaller than the sum of its proper divisors (190915981488).

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

71810060112 is a wasteful number, since it uses less digits than its factorization.

71810060112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

Adding to 71810060112 its reverse (21106001817), we get a palindrome (92916061929).

The spelling of 71810060112 in words is "seventy-one billion, eight hundred ten million, sixty thousand, one hundred twelve".