101100505445 has 4 divisors (see below), whose sum is σ = 121320606540. Its totient is φ = 80880404352.

The previous prime is 101100505439. The next prime is 101100505489. The reversal of 101100505445 is 544505001101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57322894084 + 43777611361 = 239422^2 + 209231^2 .

It is a cyclic number.

It is not a de Polignac number, because 101100505445 - 2¹² = 101100501349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10110050540 + ... + 10110050549.

It is an arithmetic number, because the mean of its divisors is an integer number (30330151635).

Almost surely, 2^101100505445 is an apocalyptic number.

It is an amenable number.

101100505445 is a deficient number, since it is larger than the sum of its proper divisors (20220101095).

101100505445 is an equidigital number, since it uses as much as digits as its factorization.

101100505445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20220101094.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 101100505445 its reverse (544505001101), we get a palindrome (645605506546).

The spelling of 101100505445 in words is "one hundred one billion, one hundred million, five hundred five thousand, four hundred forty-five".