115629309269 has 4 divisors (see below), whose sum is σ = 119616526860. Its totient is φ = 111642091680.

The previous prime is 115629309253. The next prime is 115629309283. The reversal of 115629309269 is 962903926511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 962903926511 = 4813 ⋅200063147.

It can be written as a sum of positive squares in 2 ways, for example, as 84198628900 + 31430680369 = 290170^2 + 177287^2 .

It is a cyclic number.

It is not a de Polignac number, because 115629309269 - 2⁴ = 115629309253 is a prime.

It is a super-2 number, since 2×115629309269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115629309269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115629309239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993608752 + ... + 1993608809.

It is an arithmetic number, because the mean of its divisors is an integer number (29904131715).

Almost surely, 2^115629309269 is an apocalyptic number.

It is an amenable number.

115629309269 is a deficient number, since it is larger than the sum of its proper divisors (3987217591).

115629309269 is an equidigital number, since it uses as much as digits as its factorization.

115629309269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987217590.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 115629309269 in words is "one hundred fifteen billion, six hundred twenty-nine million, three hundred nine thousand, two hundred sixty-nine".