11155898389 has 8 divisors (see below), whose sum is σ = 11813981760. Its totient is φ = 10498021056.

The previous prime is 11155898381. The next prime is 11155898401. The reversal of 11155898389 is 98389855111.

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

It is a cyclic number.

It is not a de Polignac number, because 11155898389 - 2³ = 11155898381 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 (11155898381) 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 7 ways as a sum of consecutive naturals, for example, 67902 + ... + 164080.

It is an arithmetic number, because the mean of its divisors is an integer number (1476747720).

Almost surely, 2^11155898389 is an apocalyptic number.

It is an amenable number.

11155898389 is a deficient number, since it is larger than the sum of its proper divisors (658083371).

11155898389 is an equidigital number, since it uses as much as digits as its factorization.

11155898389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103019.

The product of its digits is 3110400, while the sum is 58.

The spelling of 11155898389 in words is "eleven billion, one hundred fifty-five million, eight hundred ninety-eight thousand, three hundred eighty-nine".