2131126215246 has 24 divisors (see below), whose sum is σ = 5277074438064. Its totient is φ = 608893204320.

The previous prime is 2131126215227. The next prime is 2131126215247. The reversal of 2131126215246 is 6425126211312.

2131126215246 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 1 + 2 + 621 + 5 + 24 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131126215246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131126215247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8456849935 + ... + 8456850186.

It is an arithmetic number, because the mean of its divisors is an integer number (219878101586).

Almost surely, 2^{2131126215246} is an apocalyptic number.

2131126215246 is an abundant number, since it is smaller than the sum of its proper divisors (3145948222818).

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

2131126215246 is a wasteful number, since it uses less digits than its factorization.

2131126215246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16913700136 (or 16913700133 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 2131126215246 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-six million, two hundred fifteen thousand, two hundred forty-six".