1611112111126 has 16 divisors (see below), whose sum is σ = 2786348129184. Its totient is φ = 684366205824.

The previous prime is 1611112111097. The next prime is 1611112111163. The reversal of 1611112111126 is 6211112111161.

It is a self number, because there is not a number n which added to its sum of digits gives 1611112111126.

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, 509199465 + ... + 509202628.

It is an arithmetic number, because the mean of its divisors is an integer number (174146758074).

Almost surely, 2^{1611112111126} is an apocalyptic number.

1611112111126 is a deficient number, since it is larger than the sum of its proper divisors (1175236018058).

1611112111126 is a wasteful number, since it uses less digits than its factorization.

1611112111126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018402215.

The product of its digits is 144, while the sum is 25.

Adding to 1611112111126 its reverse (6211112111161), we get a palindrome (7822224222287).

The spelling of 1611112111126 in words is "one trillion, six hundred eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-six".