521200552095 has 48 divisors (see below), whose sum is σ = 953512491360. Its totient is φ = 262637261568.

The previous prime is 521200552073. The next prime is 521200552121. The reversal of 521200552095 is 590255002125.

521200552095 is a `hidden beast` number, since 5 + 2 + 12 + 0 + 0 + 552 + 0 + 95 = 666.

It is not a de Polignac number, because 521200552095 - 2⁵ = 521200552063 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 498232 + ... + 1136061.

It is an arithmetic number, because the mean of its divisors is an integer number (19864843570).

Almost surely, 2^521200552095 is an apocalyptic number.

521200552095 is a deficient number, since it is larger than the sum of its proper divisors (432311939265).

521200552095 is a wasteful number, since it uses less digits than its factorization.

521200552095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634696 (or 1634693 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 521200552095 in words is "five hundred twenty-one billion, two hundred million, five hundred fifty-two thousand, ninety-five".