115655747017 has 2 divisors, whose sum is σ = 115655747018. Its totient is φ = 115655747016.

The previous prime is 115655746939. The next prime is 115655747057. The reversal of 115655747017 is 710747556511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106413616521 + 9242130496 = 326211^2 + 96136^2 .

It is an emirp because it is prime and its reverse (710747556511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115655747017 - 2¹⁵ = 115655714249 is a prime.

It is not a weakly prime, because it can be changed into another prime (115655747057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57827873508 + 57827873509.

It is an arithmetic number, because the mean of its divisors is an integer number (57827873509).

Almost surely, 2^115655747017 is an apocalyptic number.

It is an amenable number.

115655747017 is a deficient number, since it is larger than the sum of its proper divisors (1).

115655747017 is an equidigital number, since it uses as much as digits as its factorization.

115655747017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029000, while the sum is 49.

The spelling of 115655747017 in words is "one hundred fifteen billion, six hundred fifty-five million, seven hundred forty-seven thousand, seventeen".