1061571052349 has 2 divisors, whose sum is σ = 1061571052350. Its totient is φ = 1061571052348.

The previous prime is 1061571052309. The next prime is 1061571052361. The reversal of 1061571052349 is 9432501751601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839440764100 + 222130288249 = 916210^2 + 471307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061571052349 is a prime.

It is a super-3 number, since 3×1061571052349³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061571052309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530785526174 + 530785526175.

It is an arithmetic number, because the mean of its divisors is an integer number (530785526175).

Almost surely, 2^{1061571052349} is an apocalyptic number.

It is an amenable number.

1061571052349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061571052349 is an equidigital number, since it uses as much as digits as its factorization.

1061571052349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 1061571052349 in words is "one trillion, sixty-one billion, five hundred seventy-one million, fifty-two thousand, three hundred forty-nine".