11151011803 has 2 divisors, whose sum is σ = 11151011804. Its totient is φ = 11151011802.

The previous prime is 11151011801. The next prime is 11151011813. The reversal of 11151011803 is 30811015111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11151011803 - 2¹ = 11151011801 is a prime.

Together with 11151011801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11151011801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575505901 + 5575505902.

It is an arithmetic number, because the mean of its divisors is an integer number (5575505902).

Almost surely, 2^11151011803 is an apocalyptic number.

11151011803 is a deficient number, since it is larger than the sum of its proper divisors (1).

11151011803 is an equidigital number, since it uses as much as digits as its factorization.

11151011803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 22.

Adding to 11151011803 its reverse (30811015111), we get a palindrome (41962026914).

The spelling of 11151011803 in words is "eleven billion, one hundred fifty-one million, eleven thousand, eight hundred three".