71383187437056 has 480 divisors, whose sum is σ = 237467189127168. Its totient is φ = 21223110205440.

The previous prime is 71383187437039. The next prime is 71383187437063. The reversal of 71383187437056 is 65073478138317.

71383187437056 is a `hidden beast` number, since 7 + 1 + 3 + 83 + 187 + 4 + 370 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 71383187436984 and 71383187437002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72042465 + ... + 73026591.

Almost surely, 2^{71383187437056} 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 71383187437056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118733594563584).

71383187437056 is an abundant number, since it is smaller than the sum of its proper divisors (166084001690112).

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

71383187437056 is an equidigital number, since it uses as much as digits as its factorization.

71383187437056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984224 (or 984196 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 71383187437056 in words is "seventy-one trillion, three hundred eighty-three billion, one hundred eighty-seven million, four hundred thirty-seven thousand, fifty-six".