149611211 has 2 divisors, whose sum is σ = 149611212. Its totient is φ = 149611210.

The previous prime is 149611193. The next prime is 149611219. The reversal of 149611211 is 112116941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149611211 - 2¹⁰ = 149610187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149611219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74805605 + 74805606.

It is an arithmetic number, because the mean of its divisors is an integer number (74805606).

Almost surely, 2^149611211 is an apocalyptic number.

149611211 is a deficient number, since it is larger than the sum of its proper divisors (1).

149611211 is an equidigital number, since it uses as much as digits as its factorization.

149611211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 26.

The square root of 149611211 is about 12231.5661711818. The cubic root of 149611211 is about 530.8698318926.

The spelling of 149611211 in words is "one hundred forty-nine million, six hundred eleven thousand, two hundred eleven".