1055051221927 has 2 divisors, whose sum is σ = 1055051221928. Its totient is φ = 1055051221926.

The previous prime is 1055051221919. The next prime is 1055051221963. The reversal of 1055051221927 is 7291221505501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055051221927 - 2³ = 1055051221919 is a prime.

It is a super-2 number, since 2×1055051221927² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055051221927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055051227927) 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, 527525610963 + 527525610964.

It is an arithmetic number, because the mean of its divisors is an integer number (527525610964).

Almost surely, 2^{1055051221927} is an apocalyptic number.

1055051221927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055051221927 is an equidigital number, since it uses as much as digits as its factorization.

1055051221927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 1055051221927 in words is "one trillion, fifty-five billion, fifty-one million, two hundred twenty-one thousand, nine hundred twenty-seven".