21052132066522 has 16 divisors (see below), whose sum is σ = 32049676233792. Its totient is φ = 10368908241120.

The previous prime is 21052132066513. The next prime is 21052132066541. The reversal of 21052132066522 is 22566023125012.

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, 51945723 + ... + 52349425.

It is an arithmetic number, because the mean of its divisors is an integer number (2003104764612).

Almost surely, 2^{21052132066522} is an apocalyptic number.

21052132066522 is a deficient number, since it is larger than the sum of its proper divisors (10997544167270).

21052132066522 is a wasteful number, since it uses less digits than its factorization.

21052132066522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792933.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 21052132066522 in words is "twenty-one trillion, fifty-two billion, one hundred thirty-two million, sixty-six thousand, five hundred twenty-two".