21853550752076 has 12 divisors (see below), whose sum is σ = 38247465846072. Its totient is φ = 10925703367488.

The previous prime is 21853550752069. The next prime is 21853550752127. The reversal of 21853550752076 is 67025705535812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267956270 + ... + 268037813.

It is an arithmetic number, because the mean of its divisors is an integer number (3187288820506).

Almost surely, 2^{21853550752076} is an apocalyptic number.

It is an amenable number.

21853550752076 is a deficient number, since it is larger than the sum of its proper divisors (16393915093996).

21853550752076 is a wasteful number, since it uses less digits than its factorization.

21853550752076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536004280 (or 536004278 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 56.

The spelling of 21853550752076 in words is "twenty-one trillion, eight hundred fifty-three billion, five hundred fifty million, seven hundred fifty-two thousand, seventy-six".