1105605555513 has 4 divisors (see below), whose sum is σ = 1474140740688. Its totient is φ = 737070370340.

The previous prime is 1105605555511. The next prime is 1105605555517. The reversal of 1105605555513 is 3155555065011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105605555513 - 2¹ = 1105605555511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105605555511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184267592583 + ... + 184267592588.

It is an arithmetic number, because the mean of its divisors is an integer number (368535185172).

Almost surely, 2^{1105605555513} is an apocalyptic number.

It is an amenable number.

1105605555513 is a deficient number, since it is larger than the sum of its proper divisors (368535185175).

1105605555513 is an equidigital number, since it uses as much as digits as its factorization.

1105605555513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368535185174.

The product of its (nonzero) digits is 281250, while the sum is 42.

The spelling of 1105605555513 in words is "one trillion, one hundred five billion, six hundred five million, five hundred fifty-five thousand, five hundred thirteen".