6550520612051 has 16 divisors (see below), whose sum is σ = 7247483880000. Its totient is φ = 5881248839808.

The previous prime is 6550520611981. The next prime is 6550520612071. The reversal of 6550520612051 is 1502160250556.

It is a cyclic number.

It is not a de Polignac number, because 6550520612051 - 2³⁰ = 6549446870227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6550520611996 and 6550520612014.

It is not an unprimeable number, because it can be changed into a prime (6550520612071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827996 + ... + 3713033.

It is an arithmetic number, because the mean of its divisors is an integer number (452967742500).

Almost surely, 2^{6550520612051} is an apocalyptic number.

6550520612051 is a deficient number, since it is larger than the sum of its proper divisors (696963267949).

6550520612051 is a wasteful number, since it uses less digits than its factorization.

6550520612051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544078.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 6550520612051 in words is "six trillion, five hundred fifty billion, five hundred twenty million, six hundred twelve thousand, fifty-one".