551302203156 has 12 divisors (see below), whose sum is σ = 1286371807392. Its totient is φ = 183767401048.

The previous prime is 551302203149. The next prime is 551302203223. The reversal of 551302203156 is 651302203155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 22970925120 + ... + 22970925143.

It is an arithmetic number, because the mean of its divisors is an integer number (107197650616).

Almost surely, 2^551302203156 is an apocalyptic number.

It is an amenable number.

551302203156 is an abundant number, since it is smaller than the sum of its proper divisors (735069604236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551302203156 is a wasteful number, since it uses less digits than its factorization.

551302203156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45941850270 (or 45941850268 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Subtracting 551302203156 from its reverse (651302203155), we obtain a palindrome (99999999999).

The spelling of 551302203156 in words is "five hundred fifty-one billion, three hundred two million, two hundred three thousand, one hundred fifty-six".