115906426369 has 4 divisors (see below), whose sum is σ = 118733412420. Its totient is φ = 113079440320.

The previous prime is 115906426357. The next prime is 115906426387. The reversal of 115906426369 is 963624609511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963624609511 = 269 ⋅3582247619.

It can be written as a sum of positive squares in 2 ways, for example, as 33091975744 + 82814450625 = 181912^2 + 287775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115906426369 is a prime.

It is a super-2 number, since 2×115906426369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115906426399) 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, 1413492964 + ... + 1413493045.

It is an arithmetic number, because the mean of its divisors is an integer number (29683353105).

Almost surely, 2^115906426369 is an apocalyptic number.

It is an amenable number.

115906426369 is a deficient number, since it is larger than the sum of its proper divisors (2826986051).

115906426369 is an equidigital number, since it uses as much as digits as its factorization.

115906426369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826986050.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 115906426369 in words is "one hundred fifteen billion, nine hundred six million, four hundred twenty-six thousand, three hundred sixty-nine".