1063534621211 has 4 divisors (see below), whose sum is σ = 1081560631800. Its totient is φ = 1045508610624.

The previous prime is 1063534621111. The next prime is 1063534621213. The reversal of 1063534621211 is 1121264353601.

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-1063534621211 is a prime.

It is a super-2 number, since 2×1063534621211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063534621213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9013005206 + ... + 9013005323.

It is an arithmetic number, because the mean of its divisors is an integer number (270390157950).

Almost surely, 2^{1063534621211} is an apocalyptic number.

1063534621211 is a deficient number, since it is larger than the sum of its proper divisors (18026010589).

1063534621211 is an equidigital number, since it uses as much as digits as its factorization.

1063534621211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026010588.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1063534621211 its reverse (1121264353601), we get a palindrome (2184798974812).

The spelling of 1063534621211 in words is "one trillion, sixty-three billion, five hundred thirty-four million, six hundred twenty-one thousand, two hundred eleven".