1057526695529 has 2 divisors, whose sum is σ = 1057526695530. Its totient is φ = 1057526695528.

The previous prime is 1057526695447. The next prime is 1057526695531. The reversal of 1057526695529 is 9255966257501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857896455529 + 199630240000 = 926227^2 + 446800^2 .

It is an emirp because it is prime and its reverse (9255966257501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057526695529 is a prime.

It is a super-2 number, since 2×1057526695529² (a number of 25 digits) contains 22 as substring.

Together with 1057526695531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1057526695429) 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, 528763347764 + 528763347765.

It is an arithmetic number, because the mean of its divisors is an integer number (528763347765).

Almost surely, 2^{1057526695529} is an apocalyptic number.

It is an amenable number.

1057526695529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057526695529 is an equidigital number, since it uses as much as digits as its factorization.

1057526695529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030000, while the sum is 62.

The spelling of 1057526695529 in words is "one trillion, fifty-seven billion, five hundred twenty-six million, six hundred ninety-five thousand, five hundred twenty-nine".