2381211406611 has 48 divisors (see below), whose sum is σ = 3681895776000. Its totient is φ = 1479662069760.

The previous prime is 2381211406589. The next prime is 2381211406633. The reversal of 2381211406611 is 1166041121832.

2381211406611 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 21 + 14 + 0 + 6 + 611 = 666.

It is an interprime number because it is at equal distance from previous prime (2381211406589) and next prime (2381211406633).

It is not a de Polignac number, because 2381211406611 - 2⁵ = 2381211406579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2381211407611) 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 47 ways as a sum of consecutive naturals, for example, 2949435 + ... + 3669003.

It is an arithmetic number, because the mean of its divisors is an integer number (76706162000).

Almost surely, 2^{2381211406611} is an apocalyptic number.

2381211406611 is a deficient number, since it is larger than the sum of its proper divisors (1300684369389).

2381211406611 is a wasteful number, since it uses less digits than its factorization.

2381211406611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720044 (or 720041 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 2381211406611 in words is "two trillion, three hundred eighty-one billion, two hundred eleven million, four hundred six thousand, six hundred eleven".