21983432860611 has 12 divisors (see below), whose sum is σ = 32352976663488. Its totient is φ = 14379100738704.

The previous prime is 21983432860577. The next prime is 21983432860619. The reversal of 21983432860611 is 11606823438912.

It is a happy number.

21983432860611 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 3 + 4 + 3 + 28 + 606 + 1 + 1 = 666.

It is not a de Polignac number, because 21983432860611 - 2⁶ = 21983432860547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21983432860619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23043430195 + ... + 23043431148.

It is an arithmetic number, because the mean of its divisors is an integer number (2696081388624).

Almost surely, 2^{21983432860611} is an apocalyptic number.

21983432860611 is a deficient number, since it is larger than the sum of its proper divisors (10369543802877).

21983432860611 is a wasteful number, since it uses less digits than its factorization.

21983432860611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46086861402 (or 46086861399 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 21983432860611 in words is "twenty-one trillion, nine hundred eighty-three billion, four hundred thirty-two million, eight hundred sixty thousand, six hundred eleven".