6311112920 has 32 divisors (see below), whose sum is σ = 16228576800. Its totient is φ = 2163810048.

The previous prime is 6311112919. The next prime is 6311112937. The reversal of 6311112920 is 292111136.

It is a self number, because there is not a number n which added to its sum of digits gives 6311112920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11269565 + ... + 11270124.

It is an arithmetic number, because the mean of its divisors is an integer number (507143025).

Almost surely, 2^6311112920 is an apocalyptic number.

It is an amenable number.

6311112920 is an abundant number, since it is smaller than the sum of its proper divisors (9917463880).

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

6311112920 is a wasteful number, since it uses less digits than its factorization.

6311112920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22539707 (or 22539703 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 6311112920 is about 79442.5133036462. The cubic root of 6311112920 is about 1848.0000710569. Note that the first 4 decimals are identical.

The spelling of 6311112920 in words is "six billion, three hundred eleven million, one hundred twelve thousand, nine hundred twenty".