1105655560557 has 4 divisors (see below), whose sum is σ = 1474207414080. Its totient is φ = 737103707036.

The previous prime is 1105655560531. The next prime is 1105655560567. The reversal of 1105655560557 is 7550655565011.

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 1105655560557 - 2¹⁴ = 1105655544173 is a prime.

It is a super-2 number, since 2×1105655560557² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105655560567) 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, 184275926757 + ... + 184275926762.

It is an arithmetic number, because the mean of its divisors is an integer number (368551853520).

Almost surely, 2^{1105655560557} is an apocalyptic number.

It is an amenable number.

1105655560557 is a deficient number, since it is larger than the sum of its proper divisors (368551853523).

1105655560557 is an equidigital number, since it uses as much as digits as its factorization.

1105655560557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368551853522.

The product of its (nonzero) digits is 3937500, while the sum is 51.

The spelling of 1105655560557 in words is "one trillion, one hundred five billion, six hundred fifty-five million, five hundred sixty thousand, five hundred fifty-seven".