55128205674811 has 2 divisors, whose sum is σ = 55128205674812. Its totient is φ = 55128205674810.

The previous prime is 55128205674791. The next prime is 55128205674851. The reversal of 55128205674811 is 11847650282155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55128205674811 - 2²⁵ = 55128172120379 is a prime.

It is not a weakly prime, because it can be changed into another prime (55128205674851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27564102837405 + 27564102837406.

It is an arithmetic number, because the mean of its divisors is an integer number (27564102837406).

Almost surely, 2^{55128205674811} is an apocalyptic number.

55128205674811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55128205674811 is an equidigital number, since it uses as much as digits as its factorization.

55128205674811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 55128205674811 in words is "fifty-five trillion, one hundred twenty-eight billion, two hundred five million, six hundred seventy-four thousand, eight hundred eleven".