11155304023 has 2 divisors, whose sum is σ = 11155304024. Its totient is φ = 11155304022.

The previous prime is 11155304021. The next prime is 11155304047. The reversal of 11155304023 is 32040355111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11155304023 - 2¹ = 11155304021 is a prime.

Together with 11155304021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11155304021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577652011 + 5577652012.

It is an arithmetic number, because the mean of its divisors is an integer number (5577652012).

Almost surely, 2^11155304023 is an apocalyptic number.

11155304023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155304023 is an equidigital number, since it uses as much as digits as its factorization.

11155304023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11155304023 its reverse (32040355111), we get a palindrome (43195659134).

The spelling of 11155304023 in words is "eleven billion, one hundred fifty-five million, three hundred four thousand, twenty-three".