1053261180161 has 2 divisors, whose sum is σ = 1053261180162.
Its totient is φ = 1053261180160.
The previous prime is 1053261180133. The next prime is 1053261180197. The reversal of 1053261180161 is 1610811623501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 761833954561 + 291427225600 = 872831^2 + 539840^2
It is a cyclic number.
It is not a de Polignac number, because 1053261180161 - 214 = 1053261163777 is a prime.
It is a super-2 number, since 2×10532611801612 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1053261180061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526630590080 + 526630590081.
It is an arithmetic number, because the mean of its divisors is an integer number (526630590081).
Almost surely, 21053261180161 is an apocalyptic number.
It is an amenable number.
1053261180161 is a deficient number, since it is larger than the sum of its proper divisors (1).
1053261180161 is an equidigital number, since it uses as much as digits as its factorization.
1053261180161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 35.
The spelling of 1053261180161 in words is "one trillion, fifty-three billion, two hundred sixty-one million, one hundred eighty thousand, one hundred sixty-one".