551565065001 has 16 divisors (see below), whose sum is σ = 748547599104. Its totient is φ = 361177921104.

The previous prime is 551565064909. The next prime is 551565065011. The reversal of 551565065001 is 100560565155.

It is not a de Polignac number, because 551565065001 - 2¹¹ = 551565062953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551565065011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3884295 + ... + 4023788.

It is an arithmetic number, because the mean of its divisors is an integer number (46784224944).

Almost surely, 2^551565065001 is an apocalyptic number.

It is an amenable number.

551565065001 is a deficient number, since it is larger than the sum of its proper divisors (196982534103).

551565065001 is a wasteful number, since it uses less digits than its factorization.

551565065001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908500.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 551565065001 in words is "five hundred fifty-one billion, five hundred sixty-five million, sixty-five thousand, one".