5051111005556 has 24 divisors (see below), whose sum is σ = 11020605830976. Its totient is φ = 1967965326720.

The previous prime is 5051111005553. The next prime is 5051111005571. The reversal of 5051111005556 is 6555001111505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051111005553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8199855221 + ... + 8199855836.

It is an arithmetic number, because the mean of its divisors is an integer number (459191909624).

Almost surely, 2^{5051111005556} is an apocalyptic number.

It is an amenable number.

5051111005556 is an abundant number, since it is smaller than the sum of its proper divisors (5969494825420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5051111005556 is a wasteful number, since it uses less digits than its factorization.

5051111005556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399711079 (or 16399711077 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 5051111005556 in words is "five trillion, fifty-one billion, one hundred eleven million, five thousand, five hundred fifty-six".