115305221342513 has 4 divisors (see below), whose sum is σ = 115305902650608. Its totient is φ = 115304540034420.

The previous prime is 115305221342359. The next prime is 115305221342533. The reversal of 115305221342513 is 315243122503511.

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 115305221342513 - 2²⁴ = 115305204565297 is a prime.

It is a super-3 number, since 3×115305221342513³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115305221342533) 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, 340400123 + ... + 340738688.

It is an arithmetic number, because the mean of its divisors is an integer number (28826475662652).

Almost surely, 2^{115305221342513} is an apocalyptic number.

It is an amenable number.

115305221342513 is a deficient number, since it is larger than the sum of its proper divisors (681308095).

115305221342513 is an equidigital number, since it uses as much as digits as its factorization.

115305221342513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681308094.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 115305221342513 in words is "one hundred fifteen trillion, three hundred five billion, two hundred twenty-one million, three hundred forty-two thousand, five hundred thirteen".