5551010551111 has 2 divisors, whose sum is σ = 5551010551112. Its totient is φ = 5551010551110.

The previous prime is 5551010551103. The next prime is 5551010551117. The reversal of 5551010551111 is 1111550101555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5551010551111 - 2³ = 5551010551103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551010551117) by changing a digit.

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 as a sum of consecutive naturals, namely, 2775505275555 + 2775505275556.

It is an arithmetic number, because the mean of its divisors is an integer number (2775505275556).

Almost surely, 2^{5551010551111} is an apocalyptic number.

5551010551111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551010551111 is an equidigital number, since it uses as much as digits as its factorization.

5551010551111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 31.

Adding to 5551010551111 its reverse (1111550101555), we get a palindrome (6662560652666).

The spelling of 5551010551111 in words is "five trillion, five hundred fifty-one billion, ten million, five hundred fifty-one thousand, one hundred eleven".