213544541351552 has 32 divisors (see below), whose sum is σ = 425722697324100. Its totient is φ = 106696491827200.

The previous prime is 213544541351513. The next prime is 213544541351569. The reversal of 213544541351552 is 255153145445312.

213544541351552 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 2 ways, for example, as 191150975941696 + 22393565409856 = 13825736^2 + 4732184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×213544541351552² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213544541351552.

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, 591841199 + ... + 592201902.

Almost surely, 2^{213544541351552} is an apocalyptic number.

It is an amenable number.

213544541351552 is a deficient number, since it is larger than the sum of its proper divisors (212178155972548).

213544541351552 is a wasteful number, since it uses less digits than its factorization.

213544541351552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184044524 (or 1184044512 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 50.

Adding to 213544541351552 its reverse (255153145445312), we get a palindrome (468697686796864).

The spelling of 213544541351552 in words is "two hundred thirteen trillion, five hundred forty-four billion, five hundred forty-one million, three hundred fifty-one thousand, five hundred fifty-two".