1100543028541 has 4 divisors (see below), whose sum is σ = 1200592394784. Its totient is φ = 1000493662300.

The previous prime is 1100543028521. The next prime is 1100543028583. The reversal of 1100543028541 is 1458203450011.

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 not a de Polignac number, because 1100543028541 - 2¹⁷ = 1100542897469 is a prime.

It is a super-2 number, since 2×1100543028541² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100543028497 and 1100543028506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100543028521) 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, 50024683105 + ... + 50024683126.

It is an arithmetic number, because the mean of its divisors is an integer number (300148098696).

Almost surely, 2^{1100543028541} is an apocalyptic number.

1100543028541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100543028541 is a deficient number, since it is larger than the sum of its proper divisors (100049366243).

1100543028541 is a wasteful number, since it uses less digits than its factorization.

1100543028541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100049366242.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 1100543028541 its reverse (1458203450011), we get a palindrome (2558746478552).

The spelling of 1100543028541 in words is "one trillion, one hundred billion, five hundred forty-three million, twenty-eight thousand, five hundred forty-one".