551143532443342 has 32 divisors (see below), whose sum is σ = 857405721271680. Its totient is φ = 265390827770880.

The previous prime is 551143532443331. The next prime is 551143532443367. The reversal of 551143532443342 is 243344235341155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38479198 + ... + 50822590.

It is an arithmetic number, because the mean of its divisors is an integer number (26793928789740).

Almost surely, 2^{551143532443342} is an apocalyptic number.

551143532443342 is a deficient number, since it is larger than the sum of its proper divisors (306262188828338).

551143532443342 is a wasteful number, since it uses less digits than its factorization.

551143532443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345388.

The product of its digits is 10368000, while the sum is 49.

Adding to 551143532443342 its reverse (243344235341155), we get a palindrome (794487767784497).

The spelling of 551143532443342 in words is "five hundred fifty-one trillion, one hundred forty-three billion, five hundred thirty-two million, four hundred forty-three thousand, three hundred forty-two".