11011125321803 has 2 divisors, whose sum is σ = 11011125321804. Its totient is φ = 11011125321802.

The previous prime is 11011125321793. The next prime is 11011125321811. The reversal of 11011125321803 is 30812352111011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011125321803 - 2²⁴ = 11011108544587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11011125324803) 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 as a sum of consecutive naturals, namely, 5505562660901 + 5505562660902.

It is an arithmetic number, because the mean of its divisors is an integer number (5505562660902).

Almost surely, 2^{11011125321803} is an apocalyptic number.

11011125321803 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011125321803 is an equidigital number, since it uses as much as digits as its factorization.

11011125321803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 11011125321803 its reverse (30812352111011), we get a palindrome (41823477432814).

The spelling of 11011125321803 in words is "eleven trillion, eleven billion, one hundred twenty-five million, three hundred twenty-one thousand, eight hundred three".