5511106101605 has 8 divisors (see below), whose sum is σ = 7122044808312. Its totient is φ = 4069739890368.

The previous prime is 5511106101601. The next prime is 5511106101619. The reversal of 5511106101605 is 5061016011155.

It can be written as a sum of positive squares in 4 ways, for example, as 437579604004 + 5073526497601 = 661498^2 + 2252449^2 .

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 5511106101605 - 2² = 5511106101601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511106101601) 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 7 ways as a sum of consecutive naturals, for example, 42393123794 + ... + 42393123923.

It is an arithmetic number, because the mean of its divisors is an integer number (890255601039).

Almost surely, 2^{5511106101605} is an apocalyptic number.

It is an amenable number.

5511106101605 is a deficient number, since it is larger than the sum of its proper divisors (1610938706707).

5511106101605 is a wasteful number, since it uses less digits than its factorization.

5511106101605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84786247735.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 5511106101605 in words is "five trillion, five hundred eleven billion, one hundred six million, one hundred one thousand, six hundred five".