141111541 has 2 divisors, whose sum is σ = 141111542. Its totient is φ = 141111540.

The previous prime is 141111533. The next prime is 141111563. The reversal of 141111541 is 145111141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141110641 + 900 = 11879^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 141111541 - 2³ = 141111533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141111511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70555770 + 70555771.

It is an arithmetic number, because the mean of its divisors is an integer number (70555771).

Almost surely, 2^141111541 is an apocalyptic number.

It is an amenable number.

141111541 is a deficient number, since it is larger than the sum of its proper divisors (1).

141111541 is an equidigital number, since it uses as much as digits as its factorization.

141111541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 19.

The square root of 141111541 is about 11879.0378819162. The cubic root of 141111541 is about 520.6199964307.

Adding to 141111541 its reverse (145111141), we get a palindrome (286222682).

The spelling of 141111541 in words is "one hundred forty-one million, one hundred eleven thousand, five hundred forty-one".