149818547211 has 4 divisors (see below), whose sum is σ = 199758062952. Its totient is φ = 99879031472.

The previous prime is 149818547201. The next prime is 149818547231. The reversal of 149818547211 is 112745818941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149818547211 - 2²² = 149814352907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149818547201) 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 in 3 ways as a sum of consecutive naturals, for example, 24969757866 + ... + 24969757871.

It is an arithmetic number, because the mean of its divisors is an integer number (49939515738).

Almost surely, 2^149818547211 is an apocalyptic number.

149818547211 is a deficient number, since it is larger than the sum of its proper divisors (49939515741).

149818547211 is an equidigital number, since it uses as much as digits as its factorization.

149818547211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49939515740.

The product of its digits is 645120, while the sum is 51.

The spelling of 149818547211 in words is "one hundred forty-nine billion, eight hundred eighteen million, five hundred forty-seven thousand, two hundred eleven".