115818929385 has 8 divisors (see below), whose sum is σ = 185310287040. Its totient is φ = 61770095664.

The previous prime is 115818929381. The next prime is 115818929389. The reversal of 115818929385 is 583929818511.

It is an interprime number because it is at equal distance from previous prime (115818929381) and next prime (115818929389).

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

It is not a de Polignac number, because 115818929385 - 2² = 115818929381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115818929381) 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, 3860630965 + ... + 3860630994.

It is an arithmetic number, because the mean of its divisors is an integer number (23163785880).

Almost surely, 2^115818929385 is an apocalyptic number.

115818929385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115818929385 is a deficient number, since it is larger than the sum of its proper divisors (69491357655).

115818929385 is an equidigital number, since it uses as much as digits as its factorization.

115818929385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721261967.

The product of its digits is 6220800, while the sum is 60.

The spelling of 115818929385 in words is "one hundred fifteen billion, eight hundred eighteen million, nine hundred twenty-nine thousand, three hundred eighty-five".