115125734978 has 8 divisors (see below), whose sum is σ = 172705675068. Its totient is φ = 57557176624.

The previous prime is 115125734957. The next prime is 115125735013. The reversal of 115125734978 is 879437521511.

It can be written as a sum of positive squares in 2 ways, for example, as 109192576249 + 5933158729 = 330443^2 + 77027^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820101 + ... + 2860632.

Almost surely, 2^115125734978 is an apocalyptic number.

115125734978 is a deficient number, since it is larger than the sum of its proper divisors (57579940090).

115125734978 is a wasteful number, since it uses less digits than its factorization.

115125734978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690868.

The product of its digits is 2116800, while the sum is 53.

The spelling of 115125734978 in words is "one hundred fifteen billion, one hundred twenty-five million, seven hundred thirty-four thousand, nine hundred seventy-eight".