1534134553543 has 4 divisors (see below), whose sum is σ = 1534283494488. Its totient is φ = 1533985612600.

The previous prime is 1534134553541. The next prime is 1534134553559. The reversal of 1534134553543 is 3453554314351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1534134553543 - 2¹ = 1534134553541 is a prime.

It is a super-3 number, since 3×1534134553543³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1534134553493 and 1534134553502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534134553541) 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, 74455021 + ... + 74475622.

It is an arithmetic number, because the mean of its divisors is an integer number (383570873622).

Almost surely, 2^{1534134553543} is an apocalyptic number.

1534134553543 is a deficient number, since it is larger than the sum of its proper divisors (148940945).

1534134553543 is a wasteful number, since it uses less digits than its factorization.

1534134553543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148940944.

The product of its digits is 3240000, while the sum is 46.

Adding to 1534134553543 its reverse (3453554314351), we get a palindrome (4987688867894).

The spelling of 1534134553543 in words is "one trillion, five hundred thirty-four billion, one hundred thirty-four million, five hundred fifty-three thousand, five hundred forty-three".