551105605504 has 32 divisors (see below), whose sum is σ = 1097965711440. Its totient is φ = 275537740800.

The previous prime is 551105605433. The next prime is 551105605529. The reversal of 551105605504 is 405506501155.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451429 + ... + 2666779.

Almost surely, 2^551105605504 is an apocalyptic number.

It is an amenable number.

551105605504 is a deficient number, since it is larger than the sum of its proper divisors (546860105936).

551105605504 is a wasteful number, since it uses less digits than its factorization.

551105605504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235358 (or 235346 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 551105605504 in words is "five hundred fifty-one billion, one hundred five million, six hundred five thousand, five hundred four".