1205655606053 has 2 divisors, whose sum is σ = 1205655606054. Its totient is φ = 1205655606052.

The previous prime is 1205655606007. The next prime is 1205655606097. The reversal of 1205655606053 is 3506065565021.

It is an a-pointer prime, because the next prime (1205655606097) can be obtained adding 1205655606053 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1146169371649 + 59486234404 = 1070593^2 + 243898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205655606053 - 2²⁴ = 1205638828837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205655605995 and 1205655606013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205655606653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602827803026 + 602827803027.

It is an arithmetic number, because the mean of its divisors is an integer number (602827803027).

Almost surely, 2^{1205655606053} is an apocalyptic number.

It is an amenable number.

1205655606053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205655606053 is an equidigital number, since it uses as much as digits as its factorization.

1205655606053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 1205655606053 in words is "one trillion, two hundred five billion, six hundred fifty-five million, six hundred six thousand, fifty-three".