551606000205 has 32 divisors (see below), whose sum is σ = 950499002880. Its totient is φ = 271548610560.

The previous prime is 551606000201. The next prime is 551606000221. The reversal of 551606000205 is 502000606155.

It is not a de Polignac number, because 551606000205 - 2² = 551606000201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551606000201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6566620 + ... + 6650090.

It is an arithmetic number, because the mean of its divisors is an integer number (29703093840).

Almost surely, 2^551606000205 is an apocalyptic number.

It is an amenable number.

551606000205 is a deficient number, since it is larger than the sum of its proper divisors (398893002675).

551606000205 is a wasteful number, since it uses less digits than its factorization.

551606000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117381.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 551606000205 in words is "five hundred fifty-one billion, six hundred six million, two hundred five", and thus it is an aban number.