11111345589 has 16 divisors (see below), whose sum is σ = 15180036480. Its totient is φ = 7225194240.

The previous prime is 11111345587. The next prime is 11111345599. The reversal of 11111345589 is 98554311111.

It is not a de Polignac number, because 11111345589 - 2¹ = 11111345587 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111345587) 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, 717672 + ... + 732990.

It is an arithmetic number, because the mean of its divisors is an integer number (948752280).

Almost surely, 2^11111345589 is an apocalyptic number.

It is an amenable number.

11111345589 is a deficient number, since it is larger than the sum of its proper divisors (4068690891).

11111345589 is a wasteful number, since it uses less digits than its factorization.

11111345589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260.

The product of its digits is 21600, while the sum is 39.

The spelling of 11111345589 in words is "eleven billion, one hundred eleven million, three hundred forty-five thousand, five hundred eighty-nine".