115563335749 has 2 divisors, whose sum is σ = 115563335750. Its totient is φ = 115563335748.

The previous prime is 115563335747. The next prime is 115563335759. The reversal of 115563335749 is 947533365511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94382899524 + 21180436225 = 307218^2 + 145535^2 .

It is a cyclic number.

It is not a de Polignac number, because 115563335749 - 2¹ = 115563335747 is a prime.

It is a super-2 number, since 2×115563335749² (a number of 23 digits) contains 22 as substring.

Together with 115563335747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 115563335696 and 115563335705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115563335747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57781667874 + 57781667875.

It is an arithmetic number, because the mean of its divisors is an integer number (57781667875).

Almost surely, 2^115563335749 is an apocalyptic number.

It is an amenable number.

115563335749 is a deficient number, since it is larger than the sum of its proper divisors (1).

115563335749 is an equidigital number, since it uses as much as digits as its factorization.

115563335749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103000, while the sum is 52.

The spelling of 115563335749 in words is "one hundred fifteen billion, five hundred sixty-three million, three hundred thirty-five thousand, seven hundred forty-nine".