5551334331551 has 2 divisors, whose sum is σ = 5551334331552. Its totient is φ = 5551334331550.

The previous prime is 5551334331467. The next prime is 5551334331601. The reversal of 5551334331551 is 1551334331555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5551334331551 - 2¹⁰ = 5551334330527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551334331251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775667165775 + 2775667165776.

It is an arithmetic number, because the mean of its divisors is an integer number (2775667165776).

Almost surely, 2^{5551334331551} is an apocalyptic number.

5551334331551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551334331551 is an equidigital number, since it uses as much as digits as its factorization.

5551334331551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1012500, while the sum is 44.

It can be divided in two parts, 5551334 and 331551, that added together give a palindrome (5882885).

The spelling of 5551334331551 in words is "five trillion, five hundred fifty-one billion, three hundred thirty-four million, three hundred thirty-one thousand, five hundred fifty-one".