21752536083605 has 8 divisors (see below), whose sum is σ = 26275911137664. Its totient is φ = 17286783642000.

The previous prime is 21752536083599. The next prime is 21752536083703. The reversal of 21752536083605 is 50638063525712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21752536083605 - 2⁶ = 21752536083541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14405652281 + ... + 14405653790.

It is an arithmetic number, because the mean of its divisors is an integer number (3284488892208).

Almost surely, 2^{21752536083605} is an apocalyptic number.

It is an amenable number.

21752536083605 is a deficient number, since it is larger than the sum of its proper divisors (4523375054059).

21752536083605 is a wasteful number, since it uses less digits than its factorization.

21752536083605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28811306227.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 21752536083605 in words is "twenty-one trillion, seven hundred fifty-two billion, five hundred thirty-six million, eighty-three thousand, six hundred five".