1025552442163 has 2 divisors, whose sum is σ = 1025552442164. Its totient is φ = 1025552442162.

The previous prime is 1025552442107. The next prime is 1025552442203. The reversal of 1025552442163 is 3612442555201.

It is an a-pointer prime, because the next prime (1025552442203) can be obtained adding 1025552442163 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025552442163 - 2⁹ = 1025552441651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025552445163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512776221081 + 512776221082.

It is an arithmetic number, because the mean of its divisors is an integer number (512776221082).

Almost surely, 2^{1025552442163} is an apocalyptic number.

1025552442163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025552442163 is an equidigital number, since it uses as much as digits as its factorization.

1025552442163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 1025552442163 its reverse (3612442555201), we get a palindrome (4637994997364).

The spelling of 1025552442163 in words is "one trillion, twenty-five billion, five hundred fifty-two million, four hundred forty-two thousand, one hundred sixty-three".