111893448889 has 8 divisors (see below), whose sum is σ = 112006319040. Its totient is φ = 111780623856.

The previous prime is 111893448859. The next prime is 111893448923. The reversal of 111893448889 is 988844398111.

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 111893448889 - 2¹⁵ = 111893416121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111893448889.

It is not an unprimeable number, because it can be changed into a prime (111893448839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7026274 + ... + 7042180.

It is an arithmetic number, because the mean of its divisors is an integer number (14000789880).

Almost surely, 2^111893448889 is an apocalyptic number.

It is an amenable number.

111893448889 is a deficient number, since it is larger than the sum of its proper divisors (112870151).

111893448889 is a wasteful number, since it uses less digits than its factorization.

111893448889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22559.

The product of its digits is 15925248, while the sum is 64.

The spelling of 111893448889 in words is "one hundred eleven billion, eight hundred ninety-three million, four hundred forty-eight thousand, eight hundred eighty-nine".