1026534221203 has 4 divisors (see below), whose sum is σ = 1071166143888. Its totient is φ = 981902298520.

The previous prime is 1026534221173. The next prime is 1026534221213. The reversal of 1026534221203 is 3021224356201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026534221203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026534221213) 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 in 3 ways as a sum of consecutive naturals, for example, 22315961308 + ... + 22315961353.

It is an arithmetic number, because the mean of its divisors is an integer number (267791535972).

Almost surely, 2^{1026534221203} is an apocalyptic number.

1026534221203 is a deficient number, since it is larger than the sum of its proper divisors (44631922685).

1026534221203 is an equidigital number, since it uses as much as digits as its factorization.

1026534221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44631922684.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1026534221203 its reverse (3021224356201), we get a palindrome (4047758577404).

The spelling of 1026534221203 in words is "one trillion, twenty-six billion, five hundred thirty-four million, two hundred twenty-one thousand, two hundred three".