1100415055 has 4 divisors (see below), whose sum is σ = 1320498072. Its totient is φ = 880332040.

The previous prime is 1100415053. The next prime is 1100415061. The reversal of 1100415055 is 5505140011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505140011 = 7 ⋅786448573.

It is not a de Polignac number, because 1100415055 - 2¹ = 1100415053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100415053) 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, 110041501 + ... + 110041510.

It is an arithmetic number, because the mean of its divisors is an integer number (330124518).

Almost surely, 2^1100415055 is an apocalyptic number.

1100415055 is a deficient number, since it is larger than the sum of its proper divisors (220083017).

1100415055 is an equidigital number, since it uses as much as digits as its factorization.

1100415055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220083016.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1100415055 is about 33172.5045029766. The cubic root of 1100415055 is about 1032.4099333795.

Adding to 1100415055 its reverse (5505140011), we get a palindrome (6605555066).

The spelling of 1100415055 in words is "one billion, one hundred million, four hundred fifteen thousand, fifty-five".