149121776611 has 2 divisors, whose sum is σ = 149121776612. Its totient is φ = 149121776610.

The previous prime is 149121776597. The next prime is 149121776627. The reversal of 149121776611 is 116677121941.

It is a weak prime.

It is an emirp because it is prime and its reverse (116677121941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149121776611 - 2¹¹ = 149121774563 is a prime.

It is not a weakly prime, because it can be changed into another prime (149121776651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74560888305 + 74560888306.

It is an arithmetic number, because the mean of its divisors is an integer number (74560888306).

Almost surely, 2^149121776611 is an apocalyptic number.

149121776611 is a deficient number, since it is larger than the sum of its proper divisors (1).

149121776611 is an equidigital number, since it uses as much as digits as its factorization.

149121776611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 46.

The spelling of 149121776611 in words is "one hundred forty-nine billion, one hundred twenty-one million, seven hundred seventy-six thousand, six hundred eleven".