115669131311 has 4 divisors (see below), whose sum is σ = 115747129512. Its totient is φ = 115591133112.

The previous prime is 115669131289. The next prime is 115669131313. The reversal of 115669131311 is 113131966511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113131966511 = 79 ⋅1432050209.

It is a cyclic number.

It is not a de Polignac number, because 115669131311 - 2¹⁰ = 115669130287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115669131313) 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, 38996876 + ... + 38999841.

It is an arithmetic number, because the mean of its divisors is an integer number (28936782378).

Almost surely, 2^115669131311 is an apocalyptic number.

115669131311 is a deficient number, since it is larger than the sum of its proper divisors (77998201).

115669131311 is an equidigital number, since it uses as much as digits as its factorization.

115669131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77998200.

The product of its digits is 14580, while the sum is 38.

The spelling of 115669131311 in words is "one hundred fifteen billion, six hundred sixty-nine million, one hundred thirty-one thousand, three hundred eleven".