105443520115 has 16 divisors (see below), whose sum is σ = 127265336352. Its totient is φ = 83866687744.

The previous prime is 105443520089. The next prime is 105443520151. The reversal of 105443520115 is 511025344501.

It is a cyclic number.

It is not a de Polignac number, because 105443520115 - 2⁹ = 105443519603 is a prime.

It is a super-2 number, since 2×105443520115² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368087 + ... + 1443103.

It is an arithmetic number, because the mean of its divisors is an integer number (7954083522).

Almost surely, 2^105443520115 is an apocalyptic number.

105443520115 is a deficient number, since it is larger than the sum of its proper divisors (21821816237).

105443520115 is a wasteful number, since it uses less digits than its factorization.

105443520115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76646.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 105443520115 its reverse (511025344501), we get a palindrome (616468864616).

The spelling of 105443520115 in words is "one hundred five billion, four hundred forty-three million, five hundred twenty thousand, one hundred fifteen".