551411031543 has 4 divisors (see below), whose sum is σ = 735214708728. Its totient is φ = 367607354360.

The previous prime is 551411031497. The next prime is 551411031557. The reversal of 551411031543 is 345130114155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551411031543 - 2²⁹ = 550874160631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551411031943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91901838588 + ... + 91901838593.

It is an arithmetic number, because the mean of its divisors is an integer number (183803677182).

Almost surely, 2^551411031543 is an apocalyptic number.

551411031543 is a deficient number, since it is larger than the sum of its proper divisors (183803677185).

551411031543 is a wasteful number, since it uses less digits than its factorization.

551411031543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183803677184.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 551411031543 its reverse (345130114155), we get a palindrome (896541145698).

The spelling of 551411031543 in words is "five hundred fifty-one billion, four hundred eleven million, thirty-one thousand, five hundred forty-three".