1543151105441 has 6 divisors (see below), whose sum is σ = 1696190884626. Its totient is φ = 1402864641200.

The previous prime is 1543151105371. The next prime is 1543151105467. The reversal of 1543151105441 is 1445011513451.

It can be written as a sum of positive squares in only one way, i.e., 1290277897216 + 252873208225 = 1135904^2 + 502865^2 .

It is not a de Polignac number, because 1543151105441 - 2³⁸ = 1268273198497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1543151101441) 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, 6376657340 + ... + 6376657581.

It is an arithmetic number, because the mean of its divisors is an integer number (282698480771).

Almost surely, 2^{1543151105441} is an apocalyptic number.

1543151105441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1543151105441 is a deficient number, since it is larger than the sum of its proper divisors (153039779185).

1543151105441 is a wasteful number, since it uses less digits than its factorization.

1543151105441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753314943 (or 12753314932 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 1543151105441 its reverse (1445011513451), we get a palindrome (2988162618892).

The spelling of 1543151105441 in words is "one trillion, five hundred forty-three billion, one hundred fifty-one million, one hundred five thousand, four hundred forty-one".