5050500656561 has 4 divisors (see below), whose sum is σ = 5073148641792. Its totient is φ = 5027852671332.

The previous prime is 5050500656543. The next prime is 5050500656567. The reversal of 5050500656561 is 1656560050505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5050500656561 - 2⁶ = 5050500656497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5050500656567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11323992281 + ... + 11323992726.

It is an arithmetic number, because the mean of its divisors is an integer number (1268287160448).

Almost surely, 2^{5050500656561} is an apocalyptic number.

It is an amenable number.

5050500656561 is a deficient number, since it is larger than the sum of its proper divisors (22647985231).

5050500656561 is a wasteful number, since it uses less digits than its factorization.

5050500656561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22647985230.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 5050500656561 in words is "five trillion, fifty billion, five hundred million, six hundred fifty-six thousand, five hundred sixty-one".