149159911 has 2 divisors, whose sum is σ = 149159912. Its totient is φ = 149159910.

The previous prime is 149159903. The next prime is 149159947. The reversal of 149159911 is 119951941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149159911 - 2³ = 149159903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149159971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74579955 + 74579956.

It is an arithmetic number, because the mean of its divisors is an integer number (74579956).

Almost surely, 2^149159911 is an apocalyptic number.

149159911 is a deficient number, since it is larger than the sum of its proper divisors (1).

149159911 is an equidigital number, since it uses as much as digits as its factorization.

149159911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 40.

The square root of 149159911 is about 12213.1040689908. The cubic root of 149159911 is about 530.3355072786.

The spelling of 149159911 in words is "one hundred forty-nine million, one hundred fifty-nine thousand, nine hundred eleven".