1055511016853 has 2 divisors, whose sum is σ = 1055511016854. Its totient is φ = 1055511016852.

The previous prime is 1055511016841. The next prime is 1055511016939. The reversal of 1055511016853 is 3586101155501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648954302929 + 406556713924 = 805577^2 + 637618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055511016853 - 2⁴ = 1055511016837 is a prime.

It is a super-2 number, since 2×1055511016853² (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 1055511016853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055513016853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527755508426 + 527755508427.

It is an arithmetic number, because the mean of its divisors is an integer number (527755508427).

Almost surely, 2^{1055511016853} is an apocalyptic number.

It is an amenable number.

1055511016853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055511016853 is an equidigital number, since it uses as much as digits as its factorization.

1055511016853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 1055511016853 in words is "one trillion, fifty-five billion, five hundred eleven million, sixteen thousand, eight hundred fifty-three".