55511321244311 has 2 divisors, whose sum is σ = 55511321244312. Its totient is φ = 55511321244310.

The previous prime is 55511321244299. The next prime is 55511321244331. The reversal of 55511321244311 is 11344212311555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55511321244311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55511321244331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755660622155 + 27755660622156.

It is an arithmetic number, because the mean of its divisors is an integer number (27755660622156).

Almost surely, 2^{55511321244311} is an apocalyptic number.

55511321244311 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511321244311 is an equidigital number, since it uses as much as digits as its factorization.

55511321244311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

Adding to 55511321244311 its reverse (11344212311555), we get a palindrome (66855533555866).

The spelling of 55511321244311 in words is "fifty-five trillion, five hundred eleven billion, three hundred twenty-one million, two hundred forty-four thousand, three hundred eleven".