11355568889 has 16 divisors (see below), whose sum is σ = 13587073920. Its totient is φ = 9284472960.

The previous prime is 11355568853. The next prime is 11355568891. The reversal of 11355568889 is 98886555311.

It is not a de Polignac number, because 11355568889 - 2²⁸ = 11087133433 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11355568589) 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, 320132 + ... + 353829.

It is an arithmetic number, because the mean of its divisors is an integer number (849192120).

Almost surely, 2^11355568889 is an apocalyptic number.

It is an amenable number.

11355568889 is a deficient number, since it is larger than the sum of its proper divisors (2231505031).

11355568889 is an equidigital number, since it uses as much as digits as its factorization.

11355568889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674080.

The product of its digits is 10368000, while the sum is 59.

The spelling of 11355568889 in words is "eleven billion, three hundred fifty-five million, five hundred sixty-eight thousand, eight hundred eighty-nine".