115015154081 has 2 divisors, whose sum is σ = 115015154082. Its totient is φ = 115015154080.

The previous prime is 115015154063. The next prime is 115015154159. The reversal of 115015154081 is 180451510511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86777376400 + 28237777681 = 294580^2 + 168041^2 .

It is an emirp because it is prime and its reverse (180451510511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115015154081 is a prime.

It is a super-2 number, since 2×115015154081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115015154011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57507577040 + 57507577041.

It is an arithmetic number, because the mean of its divisors is an integer number (57507577041).

Almost surely, 2^115015154081 is an apocalyptic number.

It is an amenable number.

115015154081 is a deficient number, since it is larger than the sum of its proper divisors (1).

115015154081 is an equidigital number, since it uses as much as digits as its factorization.

115015154081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 32.

Adding to 115015154081 its reverse (180451510511), we get a palindrome (295466664592).

The spelling of 115015154081 in words is "one hundred fifteen billion, fifteen million, one hundred fifty-four thousand, eighty-one".