551005600111 has 8 divisors (see below), whose sum is σ = 551671765344. Its totient is φ = 550339537920.

The previous prime is 551005600073. The next prime is 551005600177. The reversal of 551005600111 is 111006500155.

551005600111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 551005600111 - 2¹¹ = 551005598063 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 (551005607111) 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, 18499471 + ... + 18529231.

It is an arithmetic number, because the mean of its divisors is an integer number (68958970668).

Almost surely, 2^551005600111 is an apocalyptic number.

551005600111 is a deficient number, since it is larger than the sum of its proper divisors (666165233).

551005600111 is a wasteful number, since it uses less digits than its factorization.

551005600111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51521.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 551005600111 in words is "five hundred fifty-one billion, five million, six hundred thousand, one hundred eleven".