1052256016391 has 2 divisors, whose sum is σ = 1052256016392. Its totient is φ = 1052256016390.

The previous prime is 1052256016327. The next prime is 1052256016411. The reversal of 1052256016391 is 1936106522501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1052256016391 - 2⁶ = 1052256016327 is a prime.

It is a super-2 number, since 2×1052256016391² (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 (1052256016891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526128008195 + 526128008196.

It is an arithmetic number, because the mean of its divisors is an integer number (526128008196).

Almost surely, 2^{1052256016391} is an apocalyptic number.

1052256016391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052256016391 is an equidigital number, since it uses as much as digits as its factorization.

1052256016391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 1052256016391 in words is "one trillion, fifty-two billion, two hundred fifty-six million, sixteen thousand, three hundred ninety-one".