1053405553121 has 2 divisors, whose sum is σ = 1053405553122. Its totient is φ = 1053405553120.

The previous prime is 1053405553117. The next prime is 1053405553147. The reversal of 1053405553121 is 1213555043501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624675252496 + 428730300625 = 790364^2 + 654775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053405553121 - 2² = 1053405553117 is a prime.

It is a super-2 number, since 2×1053405553121² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1053405553171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526702776560 + 526702776561.

It is an arithmetic number, because the mean of its divisors is an integer number (526702776561).

Almost surely, 2^{1053405553121} is an apocalyptic number.

It is an amenable number.

1053405553121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053405553121 is an equidigital number, since it uses as much as digits as its factorization.

1053405553121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1053405553121 in words is "one trillion, fifty-three billion, four hundred five million, five hundred fifty-three thousand, one hundred twenty-one".