6811380051 has 16 divisors (see below), whose sum is σ = 10396767744. Its totient is φ = 3885646464.

The previous prime is 6811380049. The next prime is 6811380067. The reversal of 6811380051 is 1500831186.

It is not a de Polignac number, because 6811380051 - 2¹ = 6811380049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6811379994 and 6811380021.

It is not an unprimeable number, because it can be changed into a prime (6811380031) 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, 261031 + ... + 285936.

It is an arithmetic number, because the mean of its divisors is an integer number (649797984).

Almost surely, 2^6811380051 is an apocalyptic number.

6811380051 is a deficient number, since it is larger than the sum of its proper divisors (3585387693).

6811380051 is a wasteful number, since it uses less digits than its factorization.

6811380051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547570.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 6811380051 is about 82531.0853618199. The cubic root of 6811380051 is about 1895.5927442621.

The spelling of 6811380051 in words is "six billion, eight hundred eleven million, three hundred eighty thousand, fifty-one".