10543321144 has 8 divisors (see below), whose sum is σ = 19768727160. Its totient is φ = 5271660568.

The previous prime is 10543321121. The next prime is 10543321147. The reversal of 10543321144 is 44112334501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10543321144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10543321147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658957564 + ... + 658957579.

It is an arithmetic number, because the mean of its divisors is an integer number (2471090895).

Almost surely, 2^10543321144 is an apocalyptic number.

It is an amenable number.

10543321144 is a deficient number, since it is larger than the sum of its proper divisors (9225406016).

10543321144 is a wasteful number, since it uses less digits than its factorization.

10543321144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317915149 (or 1317915145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10543321144 its reverse (44112334501), we get a palindrome (54655655645).

The spelling of 10543321144 in words is "ten billion, five hundred forty-three million, three hundred twenty-one thousand, one hundred forty-four".