115150309 has 2 divisors, whose sum is σ = 115150310. Its totient is φ = 115150308.

The previous prime is 115150307. The next prime is 115150331. The reversal of 115150309 is 903051511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 3319684 = 10575^2 + 1822^2 .

It is an emirp because it is prime and its reverse (903051511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115150309 - 2¹ = 115150307 is a prime.

Together with 115150307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115150303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57575154 + 57575155.

It is an arithmetic number, because the mean of its divisors is an integer number (57575155).

Almost surely, 2^115150309 is an apocalyptic number.

It is an amenable number.

115150309 is a deficient number, since it is larger than the sum of its proper divisors (1).

115150309 is an equidigital number, since it uses as much as digits as its factorization.

115150309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 115150309 is about 10730.8111995319. The cubic root of 115150309 is about 486.5061887743.

The spelling of 115150309 in words is "one hundred fifteen million, one hundred fifty thousand, three hundred nine".