1105555510101 has 32 divisors (see below), whose sum is σ = 1774489600000. Its totient is φ = 611367084720.

The previous prime is 1105555510093. The next prime is 1105555510123. The reversal of 1105555510101 is 1010155555011.

It is a happy number.

It is not a de Polignac number, because 1105555510101 - 2³ = 1105555510093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105555510001) 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, 17297101 + ... + 17360898.

It is an arithmetic number, because the mean of its divisors is an integer number (55452800000).

Almost surely, 2^{1105555510101} is an apocalyptic number.

It is an amenable number.

1105555510101 is a deficient number, since it is larger than the sum of its proper divisors (668934089899).

1105555510101 is an equidigital number, since it uses as much as digits as its factorization.

1105555510101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34658054 (or 34658040 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 1105555510101 in words is "one trillion, one hundred five billion, five hundred fifty-five million, five hundred ten thousand, one hundred one".