6556113012 has 24 divisors (see below), whose sum is σ = 15331680000. Its totient is φ = 2180502016.

The previous prime is 6556113007. The next prime is 6556113013. The reversal of 6556113012 is 2103116556.

It is a super-2 number, since 2×6556113012² = 85965235652231424288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556113013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603012 + ... + 613787.

It is an arithmetic number, because the mean of its divisors is an integer number (638820000).

Almost surely, 2^6556113012 is an apocalyptic number.

It is an amenable number.

6556113012 is an abundant number, since it is smaller than the sum of its proper divisors (8775566988).

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

6556113012 is a wasteful number, since it uses less digits than its factorization.

6556113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217255 (or 1217253 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6556113012 is about 80969.8277878865. The cubic root of 6556113012 is about 1871.6105175813.

Adding to 6556113012 its reverse (2103116556), we get a palindrome (8659229568).

The spelling of 6556113012 in words is "six billion, five hundred fifty-six million, one hundred thirteen thousand, twelve".