5259955008321 has 12 divisors (see below), whose sum is σ = 8182152235348. Its totient is φ = 3236895389664.

The previous prime is 5259955008293. The next prime is 5259955008433. The reversal of 5259955008321 is 1238005599525.

5259955008321 is a `hidden beast` number, since 5 + 2 + 5 + 9 + 9 + 550 + 0 + 83 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2656769601600 + 2603185406721 = 1629960^2 + 1613439^2 .

It is not a de Polignac number, because 5259955008321 - 2²² = 5259950814017 is a prime.

It is a super-2 number, since 2×5259955008321² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5259955004321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22478440090 + ... + 22478440323.

Almost surely, 2^{5259955008321} is an apocalyptic number.

It is an amenable number.

5259955008321 is a deficient number, since it is larger than the sum of its proper divisors (2922197227027).

5259955008321 is a wasteful number, since it uses less digits than its factorization.

5259955008321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44956880432 (or 44956880429 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 5259955008321 in words is "five trillion, two hundred fifty-nine billion, nine hundred fifty-five million, eight thousand, three hundred twenty-one".