11745897189 has 8 divisors (see below), whose sum is σ = 16865903712. Its totient is φ = 7228244400.

The previous prime is 11745897169. The next prime is 11745897199. The reversal of 11745897189 is 98179854711.

11745897189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11745897189 - 2⁷ = 11745897061 is a prime.

It is a super-2 number, since 2×11745897189² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745897169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150588387 + ... + 150588464.

It is an arithmetic number, because the mean of its divisors is an integer number (2108237964).

Almost surely, 2^11745897189 is an apocalyptic number.

It is an amenable number.

11745897189 is a deficient number, since it is larger than the sum of its proper divisors (5120006523).

11745897189 is a wasteful number, since it uses less digits than its factorization.

11745897189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301176867.

The product of its digits is 5080320, while the sum is 60.

The spelling of 11745897189 in words is "eleven billion, seven hundred forty-five million, eight hundred ninety-seven thousand, one hundred eighty-nine".