149659112171 has 2 divisors, whose sum is σ = 149659112172. Its totient is φ = 149659112170.

The previous prime is 149659112143. The next prime is 149659112233. The reversal of 149659112171 is 171211956941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149659112171 - 2¹⁴ = 149659095787 is a prime.

It is not a weakly prime, because it can be changed into another prime (149659112101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74829556085 + 74829556086.

It is an arithmetic number, because the mean of its divisors is an integer number (74829556086).

Almost surely, 2^149659112171 is an apocalyptic number.

149659112171 is a deficient number, since it is larger than the sum of its proper divisors (1).

149659112171 is an equidigital number, since it uses as much as digits as its factorization.

149659112171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 47.

The spelling of 149659112171 in words is "one hundred forty-nine billion, six hundred fifty-nine million, one hundred twelve thousand, one hundred seventy-one".