115151251309 has 2 divisors, whose sum is σ = 115151251310. Its totient is φ = 115151251308.

The previous prime is 115151251301. The next prime is 115151251337. The reversal of 115151251309 is 903152151511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113940002500 + 1211248809 = 337550^2 + 34803^2 .

It is an emirp because it is prime and its reverse (903152151511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115151251309 - 2³ = 115151251301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115151251301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57575625654 + 57575625655.

It is an arithmetic number, because the mean of its divisors is an integer number (57575625655).

Almost surely, 2^115151251309 is an apocalyptic number.

It is an amenable number.

115151251309 is a deficient number, since it is larger than the sum of its proper divisors (1).

115151251309 is an equidigital number, since it uses as much as digits as its factorization.

115151251309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 34.

The spelling of 115151251309 in words is "one hundred fifteen billion, one hundred fifty-one million, two hundred fifty-one thousand, three hundred nine".