1100111108461 has 12 divisors (see below), whose sum is σ = 1156359416992. Its totient is φ = 1046322812304.

The previous prime is 1100111108449. The next prime is 1100111108471. The reversal of 1100111108461 is 1648011110011.

It is not a de Polignac number, because 1100111108461 - 2⁵ = 1100111108429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111108471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9705585 + ... + 9818278.

Almost surely, 2^{1100111108461} is an apocalyptic number.

It is an amenable number.

1100111108461 is a deficient number, since it is larger than the sum of its proper divisors (56248308531).

1100111108461 is an equidigital number, since it uses as much as digits as its factorization.

1100111108461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19523988 (or 19523959 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 25.

Adding to 1100111108461 its reverse (1648011110011), we get a palindrome (2748122218472).

The spelling of 1100111108461 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred eight thousand, four hundred sixty-one".