2111514812 has 12 divisors (see below), whose sum is σ = 4031073816. Its totient is φ = 959779440.

The previous prime is 2111514803. The next prime is 2111514841. The reversal of 2111514812 is 2184151112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23994443 + ... + 23994530.

It is an arithmetic number, because the mean of its divisors is an integer number (335922818).

Almost surely, 2^2111514812 is an apocalyptic number.

2111514812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111514812 is a deficient number, since it is larger than the sum of its proper divisors (1919559004).

2111514812 is a wasteful number, since it uses less digits than its factorization.

2111514812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47988988 (or 47988986 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 2111514812 is about 45951.2220947387. Note that the first 3 decimals coincide. The cubic root of 2111514812 is about 1282.9154759154.

Adding to 2111514812 its reverse (2184151112), we get a palindrome (4295665924).

The spelling of 2111514812 in words is "two billion, one hundred eleven million, five hundred fourteen thousand, eight hundred twelve".