5051111050989 has 6 divisors (see below), whose sum is σ = 7296049295886. Its totient is φ = 3367407367320.

The previous prime is 5051111050961. The next prime is 5051111051009. The reversal of 5051111050989 is 9890501111505.

5051111050989 is a `hidden beast` number, since 5 + 0 + 51 + 1 + 1 + 10 + 509 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3068337278889 + 1982773772100 = 1751667^2 + 1408110^2 .

It is not a de Polignac number, because 5051111050989 - 2³⁷ = 4913672097517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051111055989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280617280602 + ... + 280617280619.

It is an arithmetic number, because the mean of its divisors is an integer number (1216008215981).

Almost surely, 2^{5051111050989} is an apocalyptic number.

It is an amenable number.

5051111050989 is a deficient number, since it is larger than the sum of its proper divisors (2244938244897).

5051111050989 is a wasteful number, since it uses less digits than its factorization.

5051111050989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561234561227 (or 561234561224 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 45.

The spelling of 5051111050989 in words is "five trillion, fifty-one billion, one hundred eleven million, fifty thousand, nine hundred eighty-nine".