115902729550969 has 3 divisors (see below), whose sum is σ = 115902740316783. Its totient is φ = 115902718785156.

The previous prime is 115902729550913. The next prime is 115902729551009. The reversal of 115902729550969 is 969055927209511.

The square root of 115902729550969 is 10765813.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 80839609477225 + 35063120073744 = 8991085^2 + 5921412^2 .

It is a de Polignac number, because none of the positive numbers 2^k-115902729550969 is a prime.

It is a super-2 number, since 2×115902729550969² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115902729550898 and 115902729550907.

It is not an unprimeable number, because it can be changed into a prime (115902729550169) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5382907 + ... + 16148719.

It is an arithmetic number, because the mean of its divisors is an integer number (38634246772261).

Almost surely, 2^{115902729550969} is an apocalyptic number.

115902729550969 is the 10765813-rd square number.

115902729550969 is the 5382907-th centered octagonal number.

It is an amenable number.

115902729550969 is a deficient number, since it is larger than the sum of its proper divisors (10765814).

115902729550969 is an frugal number, since it uses more digits than its factorization.

115902729550969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21531626 (or 10765813 counting only the distinct ones).

The product of its (nonzero) digits is 137781000, while the sum is 70.

The spelling of 115902729550969 in words is "one hundred fifteen trillion, nine hundred two billion, seven hundred twenty-nine million, five hundred fifty thousand, nine hundred sixty-nine".