520505556096 has 128 divisors (see below), whose sum is σ = 1527571094400. Its totient is φ = 156195995648.

The previous prime is 520505556083. The next prime is 520505556107. The reversal of 520505556096 is 690655505025.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×520505556096² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583211 + ... + 1883498.

It is an arithmetic number, because the mean of its divisors is an integer number (11934149175).

Almost surely, 2^520505556096 is an apocalyptic number.

It is an amenable number.

520505556096 is an abundant number, since it is smaller than the sum of its proper divisors (1007065538304).

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

520505556096 is a wasteful number, since it uses less digits than its factorization.

520505556096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466766 (or 3466754 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 48.

The spelling of 520505556096 in words is "five hundred twenty billion, five hundred five million, five hundred fifty-six thousand, ninety-six".