115969605188 has 12 divisors (see below), whose sum is σ = 204808707180. Its totient is φ = 57452831712.

The previous prime is 115969605133. The next prime is 115969605233. The reversal of 115969605188 is 881506969511.

It can be written as a sum of positive squares in 2 ways, for example, as 68732060224 + 47237544964 = 262168^2 + 217342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132992231 + ... + 132993102.

It is an arithmetic number, because the mean of its divisors is an integer number (17067392265).

Almost surely, 2^115969605188 is an apocalyptic number.

It is an amenable number.

115969605188 is a deficient number, since it is larger than the sum of its proper divisors (88839101992).

115969605188 is a wasteful number, since it uses less digits than its factorization.

115969605188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265985446 (or 265985444 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 59.

The spelling of 115969605188 in words is "one hundred fifteen billion, nine hundred sixty-nine million, six hundred five thousand, one hundred eighty-eight".