10542534404443 has 4 divisors (see below), whose sum is σ = 10542553032328. Its totient is φ = 10542515776560.

The previous prime is 10542534404321. The next prime is 10542534404461. The reversal of 10542534404443 is 34440443524501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10542534404443 is a prime.

It is a super-2 number, since 2×10542534404443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10542534404443.

It is not an unprimeable number, because it can be changed into a prime (10542534444443) 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, 8437521 + ... + 9606082.

It is an arithmetic number, because the mean of its divisors is an integer number (2635638258082).

Almost surely, 2^{10542534404443} is an apocalyptic number.

10542534404443 is a deficient number, since it is larger than the sum of its proper divisors (18627885).

10542534404443 is an equidigital number, since it uses as much as digits as its factorization.

10542534404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18627884.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 10542534404443 its reverse (34440443524501), we get a palindrome (44982977928944).

The spelling of 10542534404443 in words is "ten trillion, five hundred forty-two billion, five hundred thirty-four million, four hundred four thousand, four hundred forty-three".