10821318354772 has 36 divisors (see below), whose sum is σ = 20120862291964. Its totient is φ = 5091355100160.

The previous prime is 10821318354761. The next prime is 10821318354797. The reversal of 10821318354772 is 27745381312801.

10821318354772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 283997331396 + 10537321023376 = 532914^2 + 3246124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4786072 + ... + 6674512.

Almost surely, 2^{10821318354772} is an apocalyptic number.

It is an amenable number.

10821318354772 is a deficient number, since it is larger than the sum of its proper divisors (9299543937192).

10821318354772 is a wasteful number, since it uses less digits than its factorization.

10821318354772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893436 (or 1893417 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 10821318354772 in words is "ten trillion, eight hundred twenty-one billion, three hundred eighteen million, three hundred fifty-four thousand, seven hundred seventy-two".