11011109975 has 24 divisors (see below), whose sum is σ = 14179925760. Its totient is φ = 8475556320.

The previous prime is 11011109971. The next prime is 11011110013. The reversal of 11011109975 is 57990111011.

It is not a de Polignac number, because 11011109975 - 2² = 11011109971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011109971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4415 + ... + 148464.

It is an arithmetic number, because the mean of its divisors is an integer number (590830240).

Almost surely, 2^11011109975 is an apocalyptic number.

11011109975 is a deficient number, since it is larger than the sum of its proper divisors (3168815785).

11011109975 is a wasteful number, since it uses less digits than its factorization.

11011109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152999 (or 152994 counting only the distinct ones).

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

The spelling of 11011109975 in words is "eleven billion, eleven million, one hundred nine thousand, nine hundred seventy-five".