6551011051600 has 30 divisors (see below), whose sum is σ = 15738804052430. Its totient is φ = 2620404420480.

The previous prime is 6551011051591. The next prime is 6551011051601. The reversal of 6551011051600 is 61501101556.

It can be written as a sum of positive squares in 3 ways, for example, as 1962487188544 + 4588523863056 = 1400888^2 + 2142084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551011051601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8188763415 + ... + 8188764214.

Almost surely, 2^{6551011051600} is an apocalyptic number.

It is an amenable number.

6551011051600 is an abundant number, since it is smaller than the sum of its proper divisors (9187793000830).

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

6551011051600 is a wasteful number, since it uses less digits than its factorization.

6551011051600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377527647 (or 16377527636 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 6551011051600 in words is "six trillion, five hundred fifty-one billion, eleven million, fifty-one thousand, six hundred".