551872841005 has 4 divisors (see below), whose sum is σ = 662247409212. Its totient is φ = 441498272800.

The previous prime is 551872840997. The next prime is 551872841011. The reversal of 551872841005 is 500148278155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500148278155 = 5 ⋅100029655631.

It can be written as a sum of positive squares in 2 ways, for example, as 329161523076 + 222711317929 = 573726^2 + 471923^2 .

It is not a de Polignac number, because 551872841005 - 2³ = 551872840997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55187284096 + ... + 55187284105.

It is an arithmetic number, because the mean of its divisors is an integer number (165561852303).

Almost surely, 2^551872841005 is an apocalyptic number.

It is an amenable number.

551872841005 is a deficient number, since it is larger than the sum of its proper divisors (110374568207).

551872841005 is a wasteful number, since it uses less digits than its factorization.

551872841005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110374568206.

The product of its (nonzero) digits is 448000, while the sum is 46.

The spelling of 551872841005 in words is "five hundred fifty-one billion, eight hundred seventy-two million, eight hundred forty-one thousand, five".