1100111109975 has 48 divisors (see below), whose sum is σ = 2108812051200. Its totient is φ = 561216094560.

The previous prime is 1100111109973. The next prime is 1100111110051. The reversal of 1100111109975 is 5799011110011.

It is not a de Polignac number, because 1100111109975 - 2¹ = 1100111109973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111109973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35414785 + ... + 35445834.

It is an arithmetic number, because the mean of its divisors is an integer number (43933584400).

Almost surely, 2^{1100111109975} is an apocalyptic number.

1100111109975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1100111109975 is a deficient number, since it is larger than the sum of its proper divisors (1008700941225).

1100111109975 is a wasteful number, since it uses less digits than its factorization.

1100111109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70860661 (or 70860650 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 36.

Adding to 1100111109975 its sum of digits (36), we get a palindrome (1100111110011).

Adding to 1100111109975 its reverse (5799011110011), we get a palindrome (6899122219986).

The spelling of 1100111109975 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-five".