521380485108 has 36 divisors (see below), whose sum is σ = 1506210291040. Its totient is φ = 148965852816.

The previous prime is 521380485091. The next prime is 521380485113. The reversal of 521380485108 is 801584083125.

521380485108 is a `hidden beast` number, since 5 + 2 + 13 + 80 + 48 + 510 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×521380485108² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034484838 + ... + 1034485341.

Almost surely, 2^521380485108 is an apocalyptic number.

It is an amenable number.

521380485108 is an abundant number, since it is smaller than the sum of its proper divisors (984829805932).

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

521380485108 is a wasteful number, since it uses less digits than its factorization.

521380485108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068970196 (or 2068970191 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 521380485108 in words is "five hundred twenty-one billion, three hundred eighty million, four hundred eighty-five thousand, one hundred eight".