551331143998 has 16 divisors (see below), whose sum is σ = 842990300784. Its totient is φ = 270385393600.

The previous prime is 551331143983. The next prime is 551331144041. The reversal of 551331143998 is 899341133155.

It is a super-2 number, since 2×551331143998² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 12732415 + ... + 12775642.

It is an arithmetic number, because the mean of its divisors is an integer number (52686893799).

Almost surely, 2^551331143998 is an apocalyptic number.

551331143998 is a deficient number, since it is larger than the sum of its proper divisors (291659156786).

551331143998 is a wasteful number, since it uses less digits than its factorization.

551331143998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25508267.

The product of its digits is 1749600, while the sum is 52.

The spelling of 551331143998 in words is "five hundred fifty-one billion, three hundred thirty-one million, one hundred forty-three thousand, nine hundred ninety-eight".