1111100009975 has 12 divisors (see below), whose sum is σ = 1393244509680. Its totient is φ = 878892590400.

The previous prime is 1111100009959. The next prime is 1111100009977. The reversal of 1111100009975 is 5799000011111.

It is not a de Polignac number, because 1111100009975 - 2⁴ = 1111100009959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100009977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249683171 + ... + 249687620.

It is an arithmetic number, because the mean of its divisors is an integer number (116103709140).

Almost surely, 2^{1111100009975} is an apocalyptic number.

1111100009975 is a deficient number, since it is larger than the sum of its proper divisors (282144499705).

1111100009975 is an equidigital number, since it uses as much as digits as its factorization.

1111100009975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499370890 (or 499370885 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 35.

The spelling of 1111100009975 in words is "one trillion, one hundred eleven billion, one hundred million, nine thousand, nine hundred seventy-five".