551212445342 has 8 divisors (see below), whose sum is σ = 890420104056. Its totient is φ = 254405743992.

The previous prime is 551212445281. The next prime is 551212445353. The reversal of 551212445342 is 243544212155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 551212445296 and 551212445305.

It is a congruent number.

It is an unprimeable number.

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, 10600239308 + ... + 10600239359.

It is an arithmetic number, because the mean of its divisors is an integer number (111302513007).

Almost surely, 2^551212445342 is an apocalyptic number.

551212445342 is a deficient number, since it is larger than the sum of its proper divisors (339207658714).

551212445342 is a wasteful number, since it uses less digits than its factorization.

551212445342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200478682.

The product of its digits is 192000, while the sum is 38.

Adding to 551212445342 its reverse (243544212155), we get a palindrome (794756657497).

The spelling of 551212445342 in words is "five hundred fifty-one billion, two hundred twelve million, four hundred forty-five thousand, three hundred forty-two".