2055660251213 has 2 divisors, whose sum is σ = 2055660251214. Its totient is φ = 2055660251212.

The previous prime is 2055660251173. The next prime is 2055660251231. The reversal of 2055660251213 is 3121520665502.

Together with next prime (2055660251231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2037876161764 + 17784089449 = 1427542^2 + 133357^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055660251213 - 2⁶ = 2055660251149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055660251263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027830125606 + 1027830125607.

It is an arithmetic number, because the mean of its divisors is an integer number (1027830125607).

Almost surely, 2^{2055660251213} is an apocalyptic number.

It is an amenable number.

2055660251213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055660251213 is an equidigital number, since it uses as much as digits as its factorization.

2055660251213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 2055660251213 in words is "two trillion, fifty-five billion, six hundred sixty million, two hundred fifty-one thousand, two hundred thirteen".