10553514340221 has 6 divisors (see below), whose sum is σ = 15243965158110. Its totient is φ = 7035676226808.

The previous prime is 10553514340219. The next prime is 10553514340277. The reversal of 10553514340221 is 12204341535501.

10553514340221 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 351 + 43 + 40 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6223099008996 + 4330415331225 = 2494614^2 + 2080965^2 .

It is not a de Polignac number, because 10553514340221 - 2¹ = 10553514340219 is a prime.

It is a super-3 number, since 3×10553514340221³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553514340321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 586306352226 + ... + 586306352243.

It is an arithmetic number, because the mean of its divisors is an integer number (2540660859685).

Almost surely, 2^{10553514340221} is an apocalyptic number.

It is an amenable number.

10553514340221 is a deficient number, since it is larger than the sum of its proper divisors (4690450817889).

10553514340221 is a wasteful number, since it uses less digits than its factorization.

10553514340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172612704475 (or 1172612704472 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 10553514340221 its reverse (12204341535501), we get a palindrome (22757855875722).

The spelling of 10553514340221 in words is "ten trillion, five hundred fifty-three billion, five hundred fourteen million, three hundred forty thousand, two hundred twenty-one".