115302123215 has 8 divisors (see below), whose sum is σ = 138378215808. Its totient is φ = 92231253280.

The previous prime is 115302123203. The next prime is 115302123217. The reversal of 115302123215 is 512321203511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115302123215 - 2⁸ = 115302122959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115302123217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256927 + ... + 1345536.

It is an arithmetic number, because the mean of its divisors is an integer number (17297276976).

Almost surely, 2^115302123215 is an apocalyptic number.

115302123215 is a deficient number, since it is larger than the sum of its proper divisors (23076092593).

115302123215 is an equidigital number, since it uses as much as digits as its factorization.

115302123215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611329.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 115302123215 its reverse (512321203511), we get a palindrome (627623326726).

The spelling of 115302123215 in words is "one hundred fifteen billion, three hundred two million, one hundred twenty-three thousand, two hundred fifteen".