1052861655871 has 2 divisors, whose sum is σ = 1052861655872. Its totient is φ = 1052861655870.

The previous prime is 1052861655829. The next prime is 1052861655941. The reversal of 1052861655871 is 1785561682501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1785561682501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052861655871 - 2⁹ = 1052861655359 is a prime.

It is a super-2 number, since 2×1052861655871² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052861655071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526430827935 + 526430827936.

It is an arithmetic number, because the mean of its divisors is an integer number (526430827936).

Almost surely, 2^{1052861655871} is an apocalyptic number.

1052861655871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052861655871 is an equidigital number, since it uses as much as digits as its factorization.

1052861655871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 55.

The spelling of 1052861655871 in words is "one trillion, fifty-two billion, eight hundred sixty-one million, six hundred fifty-five thousand, eight hundred seventy-one".