551205045205 has 8 divisors (see below), whose sum is σ = 661476528000. Its totient is φ = 440943720336.

The previous prime is 551205045197. The next prime is 551205045221. The reversal of 551205045205 is 502540502155.

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 551205045205 - 2³ = 551205045197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419585 + ... + 2637574.

It is an arithmetic number, because the mean of its divisors is an integer number (82684566000).

Almost surely, 2^551205045205 is an apocalyptic number.

It is an amenable number.

551205045205 is a deficient number, since it is larger than the sum of its proper divisors (110271482795).

551205045205 is a wasteful number, since it uses less digits than its factorization.

551205045205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078963.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 551205045205 in words is "five hundred fifty-one billion, two hundred five million, forty-five thousand, two hundred five".