551042630522 has 16 divisors (see below), whose sum is σ = 856123165800. Its totient is φ = 265691731200.

The previous prime is 551042630507. The next prime is 551042630573. The reversal of 551042630522 is 225036240155.

It can be written as a sum of positive squares in 4 ways, for example, as 549020239681 + 2022390841 = 740959^2 + 44971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5824979 + ... + 5918822.

Almost surely, 2^551042630522 is an apocalyptic number.

551042630522 is a deficient number, since it is larger than the sum of its proper divisors (305080535278).

551042630522 is a wasteful number, since it uses less digits than its factorization.

551042630522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744641.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 551042630522 its reverse (225036240155), we get a palindrome (776078870677).

The spelling of 551042630522 in words is "five hundred fifty-one billion, forty-two million, six hundred thirty thousand, five hundred twenty-two".