551443351144 has 16 divisors (see below), whose sum is σ = 1181664324000. Its totient is φ = 236332864752.

The previous prime is 551443351093. The next prime is 551443351189. The reversal of 551443351144 is 441153344155.

It is a super-2 number, since 2×551443351144² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551443351097 and 551443351106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4923601294 + ... + 4923601405.

It is an arithmetic number, because the mean of its divisors is an integer number (73854020250).

Almost surely, 2^551443351144 is an apocalyptic number.

It is an amenable number.

551443351144 is an abundant number, since it is smaller than the sum of its proper divisors (630220972856).

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

551443351144 is a wasteful number, since it uses less digits than its factorization.

551443351144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847202712 (or 9847202708 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

Adding to 551443351144 its reverse (441153344155), we get a palindrome (992596695299).

The spelling of 551443351144 in words is "five hundred fifty-one billion, four hundred forty-three million, three hundred fifty-one thousand, one hundred forty-four".