2055622520381 has 2 divisors, whose sum is σ = 2055622520382. Its totient is φ = 2055622520380.

The previous prime is 2055622520323. The next prime is 2055622520387. The reversal of 2055622520381 is 1830252265502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677970483225 + 377652037156 = 1295365^2 + 614534^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055622520381 - 2⁶ = 2055622520317 is a prime.

It is a super-2 number, since 2×2055622520381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055622520387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027811260190 + 1027811260191.

It is an arithmetic number, because the mean of its divisors is an integer number (1027811260191).

Almost surely, 2^{2055622520381} is an apocalyptic number.

It is an amenable number.

2055622520381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055622520381 is an equidigital number, since it uses as much as digits as its factorization.

2055622520381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 2055622520381 its reverse (1830252265502), we get a palindrome (3885874785883).

The spelling of 2055622520381 in words is "two trillion, fifty-five billion, six hundred twenty-two million, five hundred twenty thousand, three hundred eighty-one".