2111369928 has 32 divisors (see below), whose sum is σ = 5357211360. Its totient is φ = 693285120.

The previous prime is 2111369863. The next prime is 2111369951. The reversal of 2111369928 is 8299631112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111369928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654913 + ... + 658128.

It is an arithmetic number, because the mean of its divisors is an integer number (167412855).

Almost surely, 2^2111369928 is an apocalyptic number.

It is an amenable number.

2111369928 is an abundant number, since it is smaller than the sum of its proper divisors (3245841432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111369928 is a wasteful number, since it uses less digits than its factorization.

2111369928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313117 (or 1313113 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 2111369928 is about 45949.6455699062. The cubic root of 2111369928 is about 1282.8861323407.

The spelling of 2111369928 in words is "two billion, one hundred eleven million, three hundred sixty-nine thousand, nine hundred twenty-eight".