115515500237 has 2 divisors, whose sum is σ = 115515500238. Its totient is φ = 115515500236.

The previous prime is 115515500227. The next prime is 115515500297. The reversal of 115515500237 is 732005515511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70816660996 + 44698839241 = 266114^2 + 211421^2 .

It is a cyclic number.

It is not a de Polignac number, because 115515500237 - 2¹⁶ = 115515434701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115515500197 and 115515500206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115515500227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57757750118 + 57757750119.

It is an arithmetic number, because the mean of its divisors is an integer number (57757750119).

Almost surely, 2^115515500237 is an apocalyptic number.

It is an amenable number.

115515500237 is a deficient number, since it is larger than the sum of its proper divisors (1).

115515500237 is an equidigital number, since it uses as much as digits as its factorization.

115515500237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 115515500237 in words is "one hundred fifteen billion, five hundred fifteen million, five hundred thousand, two hundred thirty-seven".