115391388584370 has 128 divisors (see below), whose sum is σ = 281374301463552. Its totient is φ = 30279265632000.

The previous prime is 115391388584341. The next prime is 115391388584429. The reversal of 115391388584370 is 73485883193511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9761553060 + ... + 9761564880.

It is an arithmetic number, because the mean of its divisors is an integer number (2198236730184).

Almost surely, 2^{115391388584370} is an apocalyptic number.

115391388584370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115391388584370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140687150731776).

115391388584370 is an abundant number, since it is smaller than the sum of its proper divisors (165982912879182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115391388584370 is a wasteful number, since it uses less digits than its factorization.

115391388584370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696.

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 115391388584370 in words is "one hundred fifteen trillion, three hundred ninety-one billion, three hundred eighty-eight million, five hundred eighty-four thousand, three hundred seventy".