115347637702321 has 4 divisors (see below), whose sum is σ = 117302682409200. Its totient is φ = 113392592995444.

The previous prime is 115347637702313. The next prime is 115347637702331. The reversal of 115347637702321 is 123207736743511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115347637702321 - 2³ = 115347637702313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115347637702331) 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, 977522353351 + ... + 977522353468.

It is an arithmetic number, because the mean of its divisors is an integer number (29325670602300).

Almost surely, 2^{115347637702321} is an apocalyptic number.

It is an amenable number.

115347637702321 is a deficient number, since it is larger than the sum of its proper divisors (1955044706879).

115347637702321 is an equidigital number, since it uses as much as digits as its factorization.

115347637702321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955044706878.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 115347637702321 in words is "one hundred fifteen trillion, three hundred forty-seven billion, six hundred thirty-seven million, seven hundred two thousand, three hundred twenty-one".