115513554347 has 4 divisors (see below), whose sum is σ = 118199916120. Its totient is φ = 112827192576.

The previous prime is 115513554341. The next prime is 115513554407. The reversal of 115513554347 is 743455315511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115513554347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115513554298 and 115513554307.

It is not an unprimeable number, because it can be changed into a prime (115513554341) 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, 1343180822 + ... + 1343180907.

It is an arithmetic number, because the mean of its divisors is an integer number (29549979030).

Almost surely, 2^115513554347 is an apocalyptic number.

115513554347 is a deficient number, since it is larger than the sum of its proper divisors (2686361773).

115513554347 is an equidigital number, since it uses as much as digits as its factorization.

115513554347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686361772.

The product of its digits is 630000, while the sum is 44.

Adding to 115513554347 its reverse (743455315511), we get a palindrome (858968869858).

The spelling of 115513554347 in words is "one hundred fifteen billion, five hundred thirteen million, five hundred fifty-four thousand, three hundred forty-seven".