5120711280 has 120 divisors (see below), whose sum is σ = 18102211920. Its totient is φ = 1293649920.

The previous prime is 5120711273. The next prime is 5120711317. The reversal of 5120711280 is 821170215.

5120711280 is a `hidden beast` number, since 512 + 0 + 71 + 1 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173481 + ... + 200840.

It is an arithmetic number, because the mean of its divisors is an integer number (150851766).

Almost surely, 2^5120711280 is an apocalyptic number.

It is an amenable number.

5120711280 is an abundant number, since it is smaller than the sum of its proper divisors (12981500640).

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

5120711280 is a wasteful number, since it uses less digits than its factorization.

5120711280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374359 (or 374350 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 5120711280 is about 71559.1453274842. The cubic root of 5120711280 is about 1723.6275611583.

Adding to 5120711280 its reverse (821170215), we get a palindrome (5941881495).

The spelling of 5120711280 in words is "five billion, one hundred twenty million, seven hundred eleven thousand, two hundred eighty".