551005605911 has 8 divisors (see below), whose sum is σ = 576574965504. Its totient is φ = 525998210400.

The previous prime is 551005605881. The next prime is 551005605959. The reversal of 551005605911 is 119506500155.

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 551005605911 - 2²² = 551001411607 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 (551005602911) 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, 140489015 + ... + 140492936.

It is an arithmetic number, because the mean of its divisors is an integer number (72071870688).

Almost surely, 2^551005605911 is an apocalyptic number.

551005605911 is a deficient number, since it is larger than the sum of its proper divisors (25569359593).

551005605911 is a wasteful number, since it uses less digits than its factorization.

551005605911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280982041.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 551005605911 in words is "five hundred fifty-one billion, five million, six hundred five thousand, nine hundred eleven".