551544352011 has 80 divisors (see below), whose sum is σ = 872607859200. Its totient is φ = 346605158592.

The previous prime is 551544352001. The next prime is 551544352027. The reversal of 551544352011 is 110253445155.

551544352011 is a `hidden beast` number, since 5 + 5 + 1 + 5 + 443 + 5 + 201 + 1 = 666.

It is not a de Polignac number, because 551544352011 - 2⁵ = 551544351979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551544352001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 46252896 + ... + 46264818.

It is an arithmetic number, because the mean of its divisors is an integer number (10907598240).

Almost surely, 2^551544352011 is an apocalyptic number.

551544352011 is a deficient number, since it is larger than the sum of its proper divisors (321063507189).

551544352011 is a wasteful number, since it uses less digits than its factorization.

551544352011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12421 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 551544352011 its reverse (110253445155), we get a palindrome (661797797166).

The spelling of 551544352011 in words is "five hundred fifty-one billion, five hundred forty-four million, three hundred fifty-two thousand, eleven".