1101401443013 has 2 divisors, whose sum is σ = 1101401443014. Its totient is φ = 1101401443012.

The previous prime is 1101401442997. The next prime is 1101401443031. The reversal of 1101401443013 is 3103441041011.

Together with next prime (1101401443031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101225668449 + 175774564 = 1049393^2 + 13258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101401443013 - 2⁴ = 1101401442997 is a prime.

It is a super-2 number, since 2×1101401443013² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101401443013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101401443063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550700721506 + 550700721507.

It is an arithmetic number, because the mean of its divisors is an integer number (550700721507).

Almost surely, 2^{1101401443013} is an apocalyptic number.

It is an amenable number.

1101401443013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101401443013 is an equidigital number, since it uses as much as digits as its factorization.

1101401443013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1101401443013 its reverse (3103441041011), we get a palindrome (4204842484024).

The spelling of 1101401443013 in words is "one trillion, one hundred one billion, four hundred one million, four hundred forty-three thousand, thirteen".