551050555111 has 8 divisors (see below), whose sum is σ = 629816705024. Its totient is φ = 472295565720.

The previous prime is 551050555109. The next prime is 551050555151. The reversal of 551050555111 is 111555050155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551050555111 - 2¹ = 551050555109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551050555151) 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, 2684055 + ... + 2882056.

It is an arithmetic number, because the mean of its divisors is an integer number (78727088128).

Almost surely, 2^551050555111 is an apocalyptic number.

551050555111 is a deficient number, since it is larger than the sum of its proper divisors (78766149913).

551050555111 is a wasteful number, since it uses less digits than its factorization.

551050555111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580261.

The product of its (nonzero) digits is 15625, while the sum is 34.

The spelling of 551050555111 in words is "five hundred fifty-one billion, fifty million, five hundred fifty-five thousand, one hundred eleven".