115560251 has 2 divisors, whose sum is σ = 115560252. Its totient is φ = 115560250.

The previous prime is 115560229. The next prime is 115560293. The reversal of 115560251 is 152065511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115560251 - 2¹⁴ = 115543867 is a prime.

It is a super-2 number, since 2×115560251² = 26708343222366002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115560251.

It is not a weakly prime, because it can be changed into another prime (115560751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57780125 + 57780126.

It is an arithmetic number, because the mean of its divisors is an integer number (57780126).

Almost surely, 2^115560251 is an apocalyptic number.

115560251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115560251 is an equidigital number, since it uses as much as digits as its factorization.

115560251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 115560251 is about 10749.8953948399. The cubic root of 115560251 is about 487.0828354106.

The spelling of 115560251 in words is "one hundred fifteen million, five hundred sixty thousand, two hundred fifty-one".