30111152209 has 2 divisors, whose sum is σ = 30111152210. Its totient is φ = 30111152208.

The previous prime is 30111152171. The next prime is 30111152231. The reversal of 30111152209 is 90225111103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29937650625 + 173501584 = 173025^2 + 13172^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111152209 - 2¹¹ = 30111150161 is a prime.

It is not a weakly prime, because it can be changed into another prime (30111152909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055576104 + 15055576105.

It is an arithmetic number, because the mean of its divisors is an integer number (15055576105).

Almost surely, 2^30111152209 is an apocalyptic number.

It is an amenable number.

30111152209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111152209 is an equidigital number, since it uses as much as digits as its factorization.

30111152209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The spelling of 30111152209 in words is "thirty billion, one hundred eleven million, one hundred fifty-two thousand, two hundred nine".