11011012000172 has 48 divisors (see below), whose sum is σ = 19425367436160. Its totient is φ = 5461034971392.

The previous prime is 11011012000171. The next prime is 11011012000181. The reversal of 11011012000172 is 27100021011011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011012000172.

It is not an unprimeable number, because it can be changed into a prime (11011012000171) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1323912158 + ... + 1323920474.

It is an arithmetic number, because the mean of its divisors is an integer number (404695154920).

Almost surely, 2^{11011012000172} is an apocalyptic number.

It is an amenable number.

11011012000172 is a deficient number, since it is larger than the sum of its proper divisors (8414355435988).

11011012000172 is a wasteful number, since it uses less digits than its factorization.

11011012000172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11850 (or 11848 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 11011012000172 its reverse (27100021011011), we get a palindrome (38111033011183).

The spelling of 11011012000172 in words is "eleven trillion, eleven billion, twelve million, one hundred seventy-two", and thus it is an aban number.