115369392961 has 4 divisors (see below), whose sum is σ = 115370108500. Its totient is φ = 115368677424.

The previous prime is 115369392911. The next prime is 115369392997. The reversal of 115369392961 is 169293963511.

It is a happy 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, and also an emirpimes, since its reverse is a distinct semiprime: 169293963511 = 359 ⋅471570929.

It can be written as a sum of positive squares in 2 ways, for example, as 73362431025 + 42006961936 = 270855^2 + 204956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115369392961 is a prime.

It is a super-3 number, since 3×115369392961³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115369392911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10315 + ... + 480463.

It is an arithmetic number, because the mean of its divisors is an integer number (28842527125).

Almost surely, 2^115369392961 is an apocalyptic number.

It is an amenable number.

115369392961 is a deficient number, since it is larger than the sum of its proper divisors (715539).

115369392961 is an equidigital number, since it uses as much as digits as its factorization.

115369392961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715538.

The product of its digits is 2361960, while the sum is 55.

The spelling of 115369392961 in words is "one hundred fifteen billion, three hundred sixty-nine million, three hundred ninety-two thousand, nine hundred sixty-one".