11145914789 has 4 divisors (see below), whose sum is σ = 11230998240. Its totient is φ = 11060831340.

The previous prime is 11145914777. The next prime is 11145914887. The reversal of 11145914789 is 98741954111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11145914789 - 2¹² = 11145910693 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 (11145914389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42541529 + ... + 42541790.

It is an arithmetic number, because the mean of its divisors is an integer number (2807749560).

Almost surely, 2^11145914789 is an apocalyptic number.

It is an amenable number.

11145914789 is a deficient number, since it is larger than the sum of its proper divisors (85083451).

11145914789 is an equidigital number, since it uses as much as digits as its factorization.

11145914789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85083450.

The product of its digits is 362880, while the sum is 50.

The spelling of 11145914789 in words is "eleven billion, one hundred forty-five million, nine hundred fourteen thousand, seven hundred eighty-nine".