5000050555561 has 4 divisors (see below), whose sum is σ = 5000055052432. Its totient is φ = 5000046058692.

The previous prime is 5000050555559. The next prime is 5000050555567. The reversal of 5000050555561 is 1655550500005.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5000050555561 - 2¹ = 5000050555559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5000050555561.

It is not an unprimeable number, because it can be changed into a prime (5000050555567) 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, 771130 + ... + 3254956.

It is an arithmetic number, because the mean of its divisors is an integer number (1250013763108).

Almost surely, 2^{5000050555561} is an apocalyptic number.

It is an amenable number.

5000050555561 is a deficient number, since it is larger than the sum of its proper divisors (4496871).

5000050555561 is a wasteful number, since it uses less digits than its factorization.

5000050555561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496870.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 5000050555561 in words is "five trillion, fifty million, five hundred fifty-five thousand, five hundred sixty-one".