55320326111 has 2 divisors, whose sum is σ = 55320326112. Its totient is φ = 55320326110.

The previous prime is 55320326081. The next prime is 55320326129. The reversal of 55320326111 is 11162302355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55320326111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55320326911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27660163055 + 27660163056.

It is an arithmetic number, because the mean of its divisors is an integer number (27660163056).

Almost surely, 2^55320326111 is an apocalyptic number.

55320326111 is a deficient number, since it is larger than the sum of its proper divisors (1).

55320326111 is an equidigital number, since it uses as much as digits as its factorization.

55320326111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 55320326111 its reverse (11162302355), we get a palindrome (66482628466).

The spelling of 55320326111 in words is "fifty-five billion, three hundred twenty million, three hundred twenty-six thousand, one hundred eleven".