9506557438126 has 16 divisors (see below), whose sum is σ = 16297493852160. Its totient is φ = 4074104341080.

The previous prime is 9506557438123. The next prime is 9506557438193. The reversal of 9506557438126 is 6218347556059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9506557438121) 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 7 ways as a sum of consecutive naturals, for example, 10773790 + ... + 11622721.

It is an arithmetic number, because the mean of its divisors is an integer number (1018593365760).

It is a 2-persistent number, because it is pandigital, and so is 2⋅9506557438126 = 19013114876252, but 3⋅9506557438126 = 28519672314378 is not.

Almost surely, 2^{9506557438126} is an apocalyptic number.

9506557438126 is a deficient number, since it is larger than the sum of its proper divisors (6790936414034).

9506557438126 is a wasteful number, since it uses less digits than its factorization.

9506557438126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426839.

The product of its (nonzero) digits is 54432000, while the sum is 61.

The spelling of 9506557438126 in words is "nine trillion, five hundred six billion, five hundred fifty-seven million, four hundred thirty-eight thousand, one hundred twenty-six".