11075143909 has 12 divisors (see below), whose sum is σ = 11758781664. Its totient is φ = 10429357032.

The previous prime is 11075143903. The next prime is 11075143921. The reversal of 11075143909 is 90934157011.

It is not a de Polignac number, because 11075143909 - 2²¹ = 11073046757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075143903) 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 11 ways as a sum of consecutive naturals, for example, 31567 + ... + 152140.

It is an arithmetic number, because the mean of its divisors is an integer number (979898472).

Almost surely, 2^11075143909 is an apocalyptic number.

11075143909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11075143909 is a deficient number, since it is larger than the sum of its proper divisors (683637755).

11075143909 is a wasteful number, since it uses less digits than its factorization.

11075143909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183912 (or 183893 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 11075143909 in words is "eleven billion, seventy-five million, one hundred forty-three thousand, nine hundred nine".