111214869928 has 8 divisors (see below), whose sum is σ = 208527881130. Its totient is φ = 55607434960.

The previous prime is 111214869851. The next prime is 111214869943. The reversal of 111214869928 is 829968412111.

It can be written as a sum of positive squares in only one way, i.e., 108650662884 + 2564207044 = 329622^2 + 50638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950929363 + ... + 6950929378.

Almost surely, 2^111214869928 is an apocalyptic number.

It is an amenable number.

111214869928 is a deficient number, since it is larger than the sum of its proper divisors (97313011202).

111214869928 is a wasteful number, since it uses less digits than its factorization.

111214869928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901858747 (or 13901858743 counting only the distinct ones).

The product of its digits is 497664, while the sum is 52.

The spelling of 111214869928 in words is "one hundred eleven billion, two hundred fourteen million, eight hundred sixty-nine thousand, nine hundred twenty-eight".