2116443135256 has 16 divisors (see below), whose sum is σ = 3994963974000. Its totient is φ = 1051119408864.

The previous prime is 2116443135241. The next prime is 2116443135347. The reversal of 2116443135256 is 6525313446112.

It is a super-2 number, since 2×2116443135256² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 887768580 + ... + 887770963.

It is an arithmetic number, because the mean of its divisors is an integer number (249685248375).

Almost surely, 2^{2116443135256} is an apocalyptic number.

It is an amenable number.

2116443135256 is a deficient number, since it is larger than the sum of its proper divisors (1878520838744).

2116443135256 is a wasteful number, since it uses less digits than its factorization.

2116443135256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775539698 (or 1775539694 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 2116443135256 in words is "two trillion, one hundred sixteen billion, four hundred forty-three million, one hundred thirty-five thousand, two hundred fifty-six".