10543471361421 has 8 divisors (see below), whose sum is σ = 14058009320640. Its totient is φ = 7028957154912.

The previous prime is 10543471361377. The next prime is 10543471361447. The reversal of 10543471361421 is 12416317434501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10543471361421 - 2¹⁰ = 10543471360397 is a prime.

It is a super-4 number, since 4×10543471361421⁴ (a number of 53 digits) contains 4444 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 (10543471311421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875265 + ... + 6697398.

It is an arithmetic number, because the mean of its divisors is an integer number (1757251165080).

Almost surely, 2^{10543471361421} is an apocalyptic number.

It is an amenable number.

10543471361421 is a deficient number, since it is larger than the sum of its proper divisors (3514537959219).

10543471361421 is a wasteful number, since it uses less digits than its factorization.

10543471361421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876355.

The product of its (nonzero) digits is 241920, while the sum is 42.

Adding to 10543471361421 its reverse (12416317434501), we get a palindrome (22959788795922).

The spelling of 10543471361421 in words is "ten trillion, five hundred forty-three billion, four hundred seventy-one million, three hundred sixty-one thousand, four hundred twenty-one".