1181802938156 has 6 divisors (see below), whose sum is σ = 2068155141780. Its totient is φ = 590901469076.

The previous prime is 1181802938149. The next prime is 1181802938167. The reversal of 1181802938156 is 6518392081811.

It is a junction number, because it is equal to n+sod(n) for n = 1181802938098 and 1181802938107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147725367266 + ... + 147725367273.

It is an arithmetic number, because the mean of its divisors is an integer number (344692523630).

Almost surely, 2^{1181802938156} is an apocalyptic number.

It is an amenable number.

1181802938156 is a deficient number, since it is larger than the sum of its proper divisors (886352203624).

1181802938156 is a wasteful number, since it uses less digits than its factorization.

1181802938156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295450734543 (or 295450734541 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 1181802938156 in words is "one trillion, one hundred eighty-one billion, eight hundred two million, nine hundred thirty-eight thousand, one hundred fifty-six".