5071187520 has 448 divisors, whose sum is σ = 20599603200. Its totient is φ = 1150433280.

The previous prime is 5071187497. The next prime is 5071187531. The reversal of 5071187520 is 257811705.

5071187520 is a `hidden beast` number, since 50 + 7 + 1 + 1 + 87 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11551461 + ... + 11551899.

Almost surely, 2^5071187520 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 5071187520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10299801600).

5071187520 is an abundant number, since it is smaller than the sum of its proper divisors (15528415680).

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

5071187520 is a wasteful number, since it uses less digits than its factorization.

5071187520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 5071187520 is about 71212.2708527119. The cubic root of 5071187520 is about 1718.0529978776.

The spelling of 5071187520 in words is "five billion, seventy-one million, one hundred eighty-seven thousand, five hundred twenty".