551334433155 has 128 divisors (see below), whose sum is σ = 1023698304000. Its totient is φ = 250577971200.

The previous prime is 551334433099. The next prime is 551334433201.

551334433155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551334433155 - 2⁸ = 551334432899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 129388725 + ... + 129392985.

It is an arithmetic number, because the mean of its divisors is an integer number (7997643000).

Almost surely, 2^551334433155 is an apocalyptic number.

551334433155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551334433155 is a deficient number, since it is larger than the sum of its proper divisors (472363870845).

551334433155 is a wasteful number, since it uses less digits than its factorization.

551334433155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its digits is 810000, while the sum is 42.

It can be divided in two parts, 551334 and 433155, that added together give a palindrome (984489).

The spelling of 551334433155 in words is "five hundred fifty-one billion, three hundred thirty-four million, four hundred thirty-three thousand, one hundred fifty-five".