5005000555551 has 24 divisors (see below), whose sum is σ = 7438442547536. Its totient is φ = 3241064171520.

The previous prime is 5005000555517. The next prime is 5005000555567. The reversal of 5005000555551 is 1555550005005.

It is a happy number.

5005000555551 is a `hidden beast` number, since 5 + 0 + 0 + 50 + 0 + 0 + 5 + 55 + 551 = 666.

It is not a de Polignac number, because 5005000555551 - 2¹⁰ = 5005000554527 is a prime.

It is a super-2 number, since 2×5005000555551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005000555351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35655970 + ... + 35796063.

Almost surely, 2^{5005000555551} is an apocalyptic number.

5005000555551 is a deficient number, since it is larger than the sum of its proper divisors (2433441991985).

5005000555551 is a wasteful number, since it uses less digits than its factorization.

5005000555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71452263 (or 71452260 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 5005000555551 in words is "five trillion, five billion, five hundred fifty-five thousand, five hundred fifty-one".