14115511121 has 2 divisors, whose sum is σ = 14115511122. Its totient is φ = 14115511120.

The previous prime is 14115511097. The next prime is 14115511133. The reversal of 14115511121 is 12111551141.

14115511121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7492806721 + 6622704400 = 86561^2 + 81380^2 .

It is a cyclic number.

It is not a de Polignac number, because 14115511121 - 2¹⁴ = 14115494737 is a prime.

It is not a weakly prime, because it can be changed into another prime (14115511321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7057755560 + 7057755561.

It is an arithmetic number, because the mean of its divisors is an integer number (7057755561).

Almost surely, 2^14115511121 is an apocalyptic number.

It is an amenable number.

14115511121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14115511121 is an equidigital number, since it uses as much as digits as its factorization.

14115511121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200, while the sum is 23.

The spelling of 14115511121 in words is "fourteen billion, one hundred fifteen million, five hundred eleven thousand, one hundred twenty-one".