1055205501011 has 2 divisors, whose sum is σ = 1055205501012. Its totient is φ = 1055205501010.

The previous prime is 1055205501001. The next prime is 1055205501043. The reversal of 1055205501011 is 1101055025501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055205501011 is a prime.

It is a super-2 number, since 2×1055205501011² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1055205501001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527602750505 + 527602750506.

It is an arithmetic number, because the mean of its divisors is an integer number (527602750506).

Almost surely, 2^{1055205501011} is an apocalyptic number.

1055205501011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055205501011 is an equidigital number, since it uses as much as digits as its factorization.

1055205501011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1250, while the sum is 26.

The spelling of 1055205501011 in words is "one trillion, fifty-five billion, two hundred five million, five hundred one thousand, eleven".