2111455344 has 20 divisors (see below), whose sum is σ = 5454593096. Its totient is φ = 703818432.

The previous prime is 2111455337. The next prime is 2111455349. The reversal of 2111455344 is 4435541112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111455349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21994279 + ... + 21994374.

Almost surely, 2^2111455344 is an apocalyptic number.

2111455344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111455344 is an abundant number, since it is smaller than the sum of its proper divisors (3343137752).

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

2111455344 is a wasteful number, since it uses less digits than its factorization.

2111455344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43988664 (or 43988658 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2111455344 is about 45950.5750127243. The cubic root of 2111455344 is about 1282.9034319342.

Adding to 2111455344 its reverse (4435541112), we get a palindrome (6546996456).

The spelling of 2111455344 in words is "two billion, one hundred eleven million, four hundred fifty-five thousand, three hundred forty-four".