1543167481441 has 4 divisors (see below), whose sum is σ = 1548620370352. Its totient is φ = 1537714592532.

The previous prime is 1543167481439. The next prime is 1543167481459. The reversal of 1543167481441 is 1441847613451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1543167481441 - 2¹ = 1543167481439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1543167481841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726444031 + ... + 2726444596.

It is an arithmetic number, because the mean of its divisors is an integer number (387155092588).

Almost surely, 2^{1543167481441} is an apocalyptic number.

It is an amenable number.

1543167481441 is a deficient number, since it is larger than the sum of its proper divisors (5452888911).

1543167481441 is an equidigital number, since it uses as much as digits as its factorization.

1543167481441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452888910.

The product of its digits is 1290240, while the sum is 49.

The spelling of 1543167481441 in words is "one trillion, five hundred forty-three billion, one hundred sixty-seven million, four hundred eighty-one thousand, four hundred forty-one".