2111828782 has 16 divisors (see below), whose sum is σ = 3621174912. Its totient is φ = 904845240.

The previous prime is 2111828767. The next prime is 2111828783. The reversal of 2111828782 is 2878281112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111828783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48057 + ... + 80827.

It is an arithmetic number, because the mean of its divisors is an integer number (226323432).

Almost surely, 2^2111828782 is an apocalyptic number.

2111828782 is a deficient number, since it is larger than the sum of its proper divisors (1509346130).

2111828782 is a wasteful number, since it uses less digits than its factorization.

2111828782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37383.

The product of its digits is 28672, while the sum is 40.

The square root of 2111828782 is about 45954.6383077922. The cubic root of 2111828782 is about 1282.9790601262.

The spelling of 2111828782 in words is "two billion, one hundred eleven million, eight hundred twenty-eight thousand, seven hundred eighty-two".