151115009 has 2 divisors, whose sum is σ = 151115010. Its totient is φ = 151115008.

The previous prime is 151114963. The next prime is 151115021. The reversal of 151115009 is 900511151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 27793984 = 11105^2 + 5272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151115009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151115059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75557504 + 75557505.

It is an arithmetic number, because the mean of its divisors is an integer number (75557505).

Almost surely, 2^151115009 is an apocalyptic number.

It is an amenable number.

151115009 is a deficient number, since it is larger than the sum of its proper divisors (1).

151115009 is an equidigital number, since it uses as much as digits as its factorization.

151115009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 23.

The square root of 151115009 is about 12292.8844865638. The cubic root of 151115009 is about 532.6425624304.

The spelling of 151115009 in words is "one hundred fifty-one million, one hundred fifteen thousand, nine".