11111125132112 has 80 divisors (see below), whose sum is σ = 21830253131520. Its totient is φ = 5477880984576.

The previous prime is 11111125132111. The next prime is 11111125132171. The reversal of 11111125132112 is 21123152111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111125132111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775530293 + ... + 775544619.

It is an arithmetic number, because the mean of its divisors is an integer number (272878164144).

Almost surely, 2^{11111125132112} is an apocalyptic number.

It is an amenable number.

11111125132112 is a deficient number, since it is larger than the sum of its proper divisors (10719127999408).

11111125132112 is a wasteful number, since it uses less digits than its factorization.

11111125132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900 (or 15894 counting only the distinct ones).

The product of its digits is 120, while the sum is 23.

Adding to 11111125132112 its reverse (21123152111111), we get a palindrome (32234277243223).

The spelling of 11111125132112 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-five million, one hundred thirty-two thousand, one hundred twelve".