1105555665106 has 4 divisors (see below), whose sum is σ = 1658333497662. Its totient is φ = 552777832552.

The previous prime is 1105555665083. The next prime is 1105555665133. The reversal of 1105555665106 is 6015665555011.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 790514813881 + 315040851225 = 889109^2 + 561285^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276388916275 + ... + 276388916278.

Almost surely, 2^{1105555665106} is an apocalyptic number.

1105555665106 is a deficient number, since it is larger than the sum of its proper divisors (552777832556).

1105555665106 is an equidigital number, since it uses as much as digits as its factorization.

1105555665106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552777832555.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 1105555665106 in words is "one trillion, one hundred five billion, five hundred fifty-five million, six hundred sixty-five thousand, one hundred six".