111143115241 has 2 divisors, whose sum is σ = 111143115242. Its totient is φ = 111143115240.

The previous prime is 111143115233. The next prime is 111143115299. The reversal of 111143115241 is 142511341111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76851482841 + 34291632400 = 277221^2 + 185180^2 .

It is a cyclic number.

It is not a de Polignac number, because 111143115241 - 2³ = 111143115233 is a prime.

It is a super-3 number, since 3×111143115241³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111143115541) 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, 55571557620 + 55571557621.

It is an arithmetic number, because the mean of its divisors is an integer number (55571557621).

Almost surely, 2^111143115241 is an apocalyptic number.

It is an amenable number.

111143115241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111143115241 is an equidigital number, since it uses as much as digits as its factorization.

111143115241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 25.

Adding to 111143115241 its reverse (142511341111), we get a palindrome (253654456352).

The spelling of 111143115241 in words is "one hundred eleven billion, one hundred forty-three million, one hundred fifteen thousand, two hundred forty-one".