2111504664 has 32 divisors (see below), whose sum is σ = 5280768000. Its totient is φ = 703567392.

The previous prime is 2111504651. The next prime is 2111504699. The reversal of 2111504664 is 4664051112.

It is a congruent number.

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, 53817 + ... + 84375.

It is an arithmetic number, because the mean of its divisors is an integer number (165024000).

Almost surely, 2^2111504664 is an apocalyptic number.

2111504664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111504664 is an abundant number, since it is smaller than the sum of its proper divisors (3169263336).

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

2111504664 is a wasteful number, since it uses less digits than its factorization.

2111504664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447 (or 33443 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2111504664 is about 45951.1116731685. Note that the first 3 decimals coincide. The cubic root of 2111504664 is about 1282.9134206694.

Adding to 2111504664 its reverse (4664051112), we get a palindrome (6775555776).

The spelling of 2111504664 in words is "two billion, one hundred eleven million, five hundred four thousand, six hundred sixty-four".