100011100543 has 2 divisors, whose sum is σ = 100011100544. Its totient is φ = 100011100542.

The previous prime is 100011100477. The next prime is 100011100547. The reversal of 100011100543 is 345001110001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100011100543 - 2²⁵ = 99977546111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011100547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550271 + 50005550272.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550272).

Almost surely, 2^100011100543 is an apocalyptic number.

100011100543 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011100543 is an equidigital number, since it uses as much as digits as its factorization.

100011100543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 100011100543 its reverse (345001110001), we get a palindrome (445012210544).

The spelling of 100011100543 in words is "one hundred billion, eleven million, one hundred thousand, five hundred forty-three".