115431351355 has 4 divisors (see below), whose sum is σ = 138517621632. Its totient is φ = 92345081080.

The previous prime is 115431351341. The next prime is 115431351461. The reversal of 115431351355 is 553153134511.

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

It is not a de Polignac number, because 115431351355 - 2²⁵ = 115397796923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 11543135131 + ... + 11543135140.

It is an arithmetic number, because the mean of its divisors is an integer number (34629405408).

Almost surely, 2^115431351355 is an apocalyptic number.

115431351355 is a deficient number, since it is larger than the sum of its proper divisors (23086270277).

115431351355 is an equidigital number, since it uses as much as digits as its factorization.

115431351355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086270276.

The product of its digits is 67500, while the sum is 37.

Adding to 115431351355 its reverse (553153134511), we get a palindrome (668584485866).

The spelling of 115431351355 in words is "one hundred fifteen billion, four hundred thirty-one million, three hundred fifty-one thousand, three hundred fifty-five".