1145432101105 has 8 divisors (see below), whose sum is σ = 1374618517992. Its totient is φ = 916279016448.

The previous prime is 1145432101091. The next prime is 1145432101117. The reversal of 1145432101105 is 5011012345411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62275701601 + 1083156399504 = 249551^2 + 1040748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145432101105 - 2²¹ = 1145430003953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8257392 + ... + 8394961.

It is an arithmetic number, because the mean of its divisors is an integer number (171827314749).

Almost surely, 2^{1145432101105} is an apocalyptic number.

It is an amenable number.

1145432101105 is a deficient number, since it is larger than the sum of its proper divisors (229186416887).

1145432101105 is a wasteful number, since it uses less digits than its factorization.

1145432101105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666115.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 1145432101105 its reverse (5011012345411), we get a palindrome (6156444446516).

The spelling of 1145432101105 in words is "one trillion, one hundred forty-five billion, four hundred thirty-two million, one hundred one thousand, one hundred five".