6511010515156 has 48 divisors (see below), whose sum is σ = 13348943556480. Its totient is φ = 2720473274880.

The previous prime is 6511010515151. The next prime is 6511010515157. The reversal of 6511010515156 is 6515150101156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511010515151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333846 + ... + 3624013.

It is an arithmetic number, because the mean of its divisors is an integer number (278102990760).

Almost surely, 2^{6511010515156} is an apocalyptic number.

It is an amenable number.

6511010515156 is an abundant number, since it is smaller than the sum of its proper divisors (6837933041324).

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

6511010515156 is a wasteful number, since it uses less digits than its factorization.

6511010515156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959344 (or 3959342 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 6511010515156 in words is "six trillion, five hundred eleven billion, ten million, five hundred fifteen thousand, one hundred fifty-six".