1011117825188 has 12 divisors (see below), whose sum is σ = 1772400384972. Its totient is φ = 504717715200.

The previous prime is 1011117825181. The next prime is 1011117825191. The reversal of 1011117825188 is 8815287111101.

It can be written as a sum of positive squares in 2 ways, for example, as 474324218944 + 536793606244 = 688712^2 + 732662^2 .

It is not an unprimeable number, because it can be changed into a prime (1011117825181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210296645 + ... + 210301452.

It is an arithmetic number, because the mean of its divisors is an integer number (147700032081).

Almost surely, 2^{1011117825188} is an apocalyptic number.

It is an amenable number.

1011117825188 is a deficient number, since it is larger than the sum of its proper divisors (761282559784).

1011117825188 is a wasteful number, since it uses less digits than its factorization.

1011117825188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420598702 (or 420598700 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 44.

The spelling of 1011117825188 in words is "one trillion, eleven billion, one hundred seventeen million, eight hundred twenty-five thousand, one hundred eighty-eight".