5005561600521 has 6 divisors (see below), whose sum is σ = 7230255645210. Its totient is φ = 3337041067008.

The previous prime is 5005561600517. The next prime is 5005561600549. The reversal of 5005561600521 is 1250061655005.

5005561600521 is a `hidden beast` number, since 50 + 0 + 556 + 1 + 6 + 0 + 0 + 52 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3049689424896 + 1955872175625 = 1746336^2 + 1398525^2 .

It is not a de Polignac number, because 5005561600521 - 2² = 5005561600517 is a prime.

It is a super-2 number, since 2×5005561600521² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5005561600511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278086755576 + ... + 278086755593.

It is an arithmetic number, because the mean of its divisors is an integer number (1205042607535).

Almost surely, 2^{5005561600521} is an apocalyptic number.

It is an amenable number.

5005561600521 is a deficient number, since it is larger than the sum of its proper divisors (2224694044689).

5005561600521 is a wasteful number, since it uses less digits than its factorization.

5005561600521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556173511175 (or 556173511172 counting only the distinct ones).

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

The spelling of 5005561600521 in words is "five trillion, five billion, five hundred sixty-one million, six hundred thousand, five hundred twenty-one".