115644593064 has 512 divisors, whose sum is σ = 409006080000. Its totient is φ = 26824089600.

The previous prime is 115644593059. The next prime is 115644593083. The reversal of 115644593064 is 460395446511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36490872 + ... + 36494040.

It is an arithmetic number, because the mean of its divisors is an integer number (798840000).

Almost surely, 2^115644593064 is an apocalyptic number.

115644593064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115644593064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204503040000).

115644593064 is an abundant number, since it is smaller than the sum of its proper divisors (293361486936).

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

115644593064 is a wasteful number, since it uses less digits than its factorization.

115644593064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 115644593064 in words is "one hundred fifteen billion, six hundred forty-four million, five hundred ninety-three thousand, sixty-four".