115782151 has 2 divisors, whose sum is σ = 115782152. Its totient is φ = 115782150.

The previous prime is 115782133. The next prime is 115782169. The reversal of 115782151 is 151287511.

It is a balanced prime because it is at equal distance from previous prime (115782133) and next prime (115782169).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115782151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115782451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57891075 + 57891076.

It is an arithmetic number, because the mean of its divisors is an integer number (57891076).

Almost surely, 2^115782151 is an apocalyptic number.

115782151 is a deficient number, since it is larger than the sum of its proper divisors (1).

115782151 is an equidigital number, since it uses as much as digits as its factorization.

115782151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 31.

The square root of 115782151 is about 10760.2114756170. The cubic root of 115782151 is about 487.3944032516.

The spelling of 115782151 in words is "one hundred fifteen million, seven hundred eighty-two thousand, one hundred fifty-one".