10884793222521 has 33 divisors (see below), whose sum is σ = 16328300310511. Its totient is φ = 7255994342832.

The previous prime is 10884793222519. The next prime is 10884793222559. The reversal of 10884793222521 is 12522239748801.

It is a happy number.

The square root of 10884793222521 is 3299211.

It is a perfect power (a square), and thus also a powerful number.

10884793222521 is a `hidden beast` number, since 1 + 0 + 8 + 8 + 4 + 7 + 93 + 2 + 22 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10500224564025 + 384568658496 = 3240405^2 + 620136^2 .

It is not a de Polignac number, because 10884793222521 - 2¹ = 10884793222519 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10884793222921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 801701485 + ... + 801715061.

Almost surely, 2^{10884793222521} is an apocalyptic number.

10884793222521 is the 3299211-st square number.

10884793222521 is the 1649606-th centered octagonal number.

It is an amenable number.

10884793222521 is a deficient number, since it is larger than the sum of its proper divisors (5443507087990).

10884793222521 is an frugal number, since it uses more digits than its factorization.

10884793222521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27184 (or 13580 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 10884793222521 in words is "ten trillion, eight hundred eighty-four billion, seven hundred ninety-three million, two hundred twenty-two thousand, five hundred twenty-one".