1150200685438 has 16 divisors (see below), whose sum is σ = 1990916029440. Its totient is φ = 488157294456.

The previous prime is 1150200685421. The next prime is 1150200685463. The reversal of 1150200685438 is 8345860020511.

It is a junction number, because it is equal to n+sod(n) for n = 1150200685394 and 1150200685403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398819878 + ... + 398822761.

It is an arithmetic number, because the mean of its divisors is an integer number (124432251840).

Almost surely, 2^{1150200685438} is an apocalyptic number.

1150200685438 is a deficient number, since it is larger than the sum of its proper divisors (840715344002).

1150200685438 is a wasteful number, since it uses less digits than its factorization.

1150200685438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797642751.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 1150200685438 in words is "one trillion, one hundred fifty billion, two hundred million, six hundred eighty-five thousand, four hundred thirty-eight".