11010542420243 has 2 divisors, whose sum is σ = 11010542420244. Its totient is φ = 11010542420242.

The previous prime is 11010542420239. The next prime is 11010542420257. The reversal of 11010542420243 is 34202424501011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11010542420243 - 2² = 11010542420239 is a prime.

It is not a weakly prime, because it can be changed into another prime (11010541420243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505271210121 + 5505271210122.

It is an arithmetic number, because the mean of its divisors is an integer number (5505271210122).

Almost surely, 2^{11010542420243} is an apocalyptic number.

11010542420243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010542420243 is an equidigital number, since it uses as much as digits as its factorization.

11010542420243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 11010542420243 its reverse (34202424501011), we get a palindrome (45212966921254).

The spelling of 11010542420243 in words is "eleven trillion, ten billion, five hundred forty-two million, four hundred twenty thousand, two hundred forty-three".