115955188978 has 8 divisors (see below), whose sum is σ = 175654890540. Its totient is φ = 57403558800.

The previous prime is 115955188963. The next prime is 115955188991. The reversal of 115955188978 is 879881559511.

It can be written as a sum of positive squares in 2 ways, for example, as 115795242369 + 159946609 = 340287^2 + 12647^2 .

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

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, 287017593 + ... + 287017996.

Almost surely, 2^115955188978 is an apocalyptic number.

115955188978 is a deficient number, since it is larger than the sum of its proper divisors (59699701562).

115955188978 is a wasteful number, since it uses less digits than its factorization.

115955188978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574035692.

The product of its digits is 36288000, while the sum is 67.

The spelling of 115955188978 in words is "one hundred fifteen billion, nine hundred fifty-five million, one hundred eighty-eight thousand, nine hundred seventy-eight".