110344515521 has 2 divisors, whose sum is σ = 110344515522. Its totient is φ = 110344515520.

The previous prime is 110344515517. The next prime is 110344515563. The reversal of 110344515521 is 125515443011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110198105521 + 146410000 = 331961^2 + 12100^2 .

It is a cyclic number.

It is not a de Polignac number, because 110344515521 - 2² = 110344515517 is a prime.

It is not a weakly prime, because it can be changed into another prime (110344515821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55172257760 + 55172257761.

It is an arithmetic number, because the mean of its divisors is an integer number (55172257761).

Almost surely, 2^110344515521 is an apocalyptic number.

It is an amenable number.

110344515521 is a deficient number, since it is larger than the sum of its proper divisors (1).

110344515521 is an equidigital number, since it uses as much as digits as its factorization.

110344515521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 110344515521 its reverse (125515443011), we get a palindrome (235859958532).

The spelling of 110344515521 in words is "one hundred ten billion, three hundred forty-four million, five hundred fifteen thousand, five hundred twenty-one".