1105505560055 has 32 divisors (see below), whose sum is σ = 1432076683968. Its totient is φ = 814418841600.

The previous prime is 1105505560037. The next prime is 1105505560057. The reversal of 1105505560055 is 5500655055011.

It is a happy number.

It is not a de Polignac number, because 1105505560055 - 2³² = 1101210592759 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 (1105505560057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73170812 + ... + 73185918.

It is an arithmetic number, because the mean of its divisors is an integer number (44752396374).

Almost surely, 2^{1105505560055} is an apocalyptic number.

1105505560055 is a deficient number, since it is larger than the sum of its proper divisors (326571123913).

1105505560055 is a wasteful number, since it uses less digits than its factorization.

1105505560055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 1105505560055 in words is "one trillion, one hundred five billion, five hundred five million, five hundred sixty thousand, fifty-five".