115638506146 has 16 divisors (see below), whose sum is σ = 174449427840. Its totient is φ = 57488781040.

The previous prime is 115638506143. The next prime is 115638506177. The reversal of 115638506146 is 641605836511.

It is a junction number, because it is equal to n+sod(n) for n = 115638506096 and 115638506105.

It is not an unprimeable number, because it can be changed into a prime (115638506141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3628935 + ... + 3660661.

It is an arithmetic number, because the mean of its divisors is an integer number (10903089240).

Almost surely, 2^115638506146 is an apocalyptic number.

115638506146 is a deficient number, since it is larger than the sum of its proper divisors (58810921694).

115638506146 is a wasteful number, since it uses less digits than its factorization.

115638506146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42089.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 115638506146 in words is "one hundred fifteen billion, six hundred thirty-eight million, five hundred six thousand, one hundred forty-six".