551310231205 has 8 divisors (see below), whose sum is σ = 677708186904. Its totient is φ = 430290912000.

The previous prime is 551310231133. The next prime is 551310231211. The reversal of 551310231205 is 502132013155.

It can be written as a sum of positive squares in 4 ways, for example, as 31133190916 + 520177040289 = 176446^2 + 721233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551310231205 - 2¹⁵ = 551310198437 is a prime.

It is a Duffinian number.

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, 1344658896 + ... + 1344659305.

It is an arithmetic number, because the mean of its divisors is an integer number (84713523363).

Almost surely, 2^551310231205 is an apocalyptic number.

It is an amenable number.

551310231205 is a deficient number, since it is larger than the sum of its proper divisors (126397955699).

551310231205 is a wasteful number, since it uses less digits than its factorization.

551310231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689318247.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 551310231205 in words is "five hundred fifty-one billion, three hundred ten million, two hundred thirty-one thousand, two hundred five".