2116985588541 has 12 divisors (see below), whose sum is σ = 3058077834240. Its totient is φ = 1411226912520.

The previous prime is 2116985588477. The next prime is 2116985588551. The reversal of 2116985588541 is 1458855896112.

2116985588541 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 9 + 8 + 5 + 5 + 88 + 541 = 666.

It is not a de Polignac number, because 2116985588541 - 2⁶ = 2116985588477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116985588551) 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 11 ways as a sum of consecutive naturals, for example, 7929151 + ... + 8191788.

It is an arithmetic number, because the mean of its divisors is an integer number (254839819520).

Almost surely, 2^{2116985588541} is an apocalyptic number.

It is an amenable number.

2116985588541 is a deficient number, since it is larger than the sum of its proper divisors (941092245699).

2116985588541 is a wasteful number, since it uses less digits than its factorization.

2116985588541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135536 (or 16135533 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 63.

The spelling of 2116985588541 in words is "two trillion, one hundred sixteen billion, nine hundred eighty-five million, five hundred eighty-eight thousand, five hundred forty-one".