105513504445 has 16 divisors (see below), whose sum is σ = 131006828160. Its totient is φ = 81484812864.

The previous prime is 105513504443. The next prime is 105513504449. The reversal of 105513504445 is 544405315501.

It is a cyclic number.

It is not a de Polignac number, because 105513504445 - 2¹ = 105513504443 is a prime.

It is a super-2 number, since 2×105513504445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105513504443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741232 + ... + 872038.

It is an arithmetic number, because the mean of its divisors is an integer number (8187926760).

Almost surely, 2^105513504445 is an apocalyptic number.

It is an amenable number.

105513504445 is a deficient number, since it is larger than the sum of its proper divisors (25493323715).

105513504445 is a wasteful number, since it uses less digits than its factorization.

105513504445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136404.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 105513504445 its reverse (544405315501), we get a palindrome (649918819946).

The spelling of 105513504445 in words is "one hundred five billion, five hundred thirteen million, five hundred four thousand, four hundred forty-five".