1100010105505 has 8 divisors (see below), whose sum is σ = 1320282816552. Its totient is φ = 879827624448.

The previous prime is 1100010105497. The next prime is 1100010105517. The reversal of 1100010105505 is 5055010100011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 166036690576 + 933973414929 = 407476^2 + 966423^2 .

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 1100010105505 - 2³ = 1100010105497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22530672 + ... + 22579441.

It is an arithmetic number, because the mean of its divisors is an integer number (165035352069).

Almost surely, 2^{1100010105505} is an apocalyptic number.

It is an amenable number.

1100010105505 is a deficient number, since it is larger than the sum of its proper divisors (220272711047).

1100010105505 is an equidigital number, since it uses as much as digits as its factorization.

1100010105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45114995.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 1100010105505 its reverse (5055010100011), we get a palindrome (6155020205516).

The spelling of 1100010105505 in words is "one trillion, one hundred billion, ten million, one hundred five thousand, five hundred five".