11545032189 has 16 divisors (see below), whose sum is σ = 15812681600. Its totient is φ = 7487121600.

The previous prime is 11545032181. The next prime is 11545032199. The reversal of 11545032189 is 98123054511.

It is not a de Polignac number, because 11545032189 - 2³ = 11545032181 is a prime.

It is a super-2 number, since 2×11545032189² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545032181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808887 + ... + 823035.

It is an arithmetic number, because the mean of its divisors is an integer number (988292600).

Almost surely, 2^11545032189 is an apocalyptic number.

It is an amenable number.

11545032189 is a deficient number, since it is larger than the sum of its proper divisors (4267649411).

11545032189 is a wasteful number, since it uses less digits than its factorization.

11545032189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 11545032189 in words is "eleven billion, five hundred forty-five million, thirty-two thousand, one hundred eighty-nine".