6511342431156 has 24 divisors (see below), whose sum is σ = 15250900910784. Its totient is φ = 2162194824000.

The previous prime is 6511342431151. The next prime is 6511342431163.

6511342431156 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511342431151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031578345 + ... + 1031584656.

It is an arithmetic number, because the mean of its divisors is an integer number (635454204616).

Almost surely, 2^{6511342431156} is an apocalyptic number.

It is an amenable number.

6511342431156 is an abundant number, since it is smaller than the sum of its proper divisors (8739558479628).

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

6511342431156 is a wasteful number, since it uses less digits than its factorization.

6511342431156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063163271 (or 2063163269 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 6511342431156 in words is "six trillion, five hundred eleven billion, three hundred forty-two million, four hundred thirty-one thousand, one hundred fifty-six".