6511106506051 has 4 divisors (see below), whose sum is σ = 7441264578352. Its totient is φ = 5580948433752.

The previous prime is 6511106506019. The next prime is 6511106506081. The reversal of 6511106506051 is 1506056011156.

6511106506051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6511106506051 - 2⁵ = 6511106506019 is a prime.

It is a super-2 number, since 2×6511106506051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6511106506051.

It is not an unprimeable number, because it can be changed into a prime (6511106506081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465079036140 + ... + 465079036153.

It is an arithmetic number, because the mean of its divisors is an integer number (1860316144588).

Almost surely, 2^{6511106506051} is an apocalyptic number.

6511106506051 is a deficient number, since it is larger than the sum of its proper divisors (930158072301).

6511106506051 is an equidigital number, since it uses as much as digits as its factorization.

6511106506051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930158072300.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 6511106506051 in words is "six trillion, five hundred eleven billion, one hundred six million, five hundred six thousand, fifty-one".