141878911 has 2 divisors, whose sum is σ = 141878912. Its totient is φ = 141878910.

The previous prime is 141878899. The next prime is 141878951. The reversal of 141878911 is 119878141.

It is an a-pointer prime, because the next prime (141878951) can be obtained adding 141878911 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141878911 - 2⁵ = 141878879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141878951) 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, 70939455 + 70939456.

It is an arithmetic number, because the mean of its divisors is an integer number (70939456).

Almost surely, 2^141878911 is an apocalyptic number.

141878911 is a deficient number, since it is larger than the sum of its proper divisors (1).

141878911 is an equidigital number, since it uses as much as digits as its factorization.

141878911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 40.

The square root of 141878911 is about 11911.2934226305. The cubic root of 141878911 is about 521.5620081270.

The spelling of 141878911 in words is "one hundred forty-one million, eight hundred seventy-eight thousand, nine hundred eleven".