1100405104 has 40 divisors (see below), whose sum is σ = 2260489248. Its totient is φ = 517140480.

The previous prime is 1100405071. The next prime is 1100405113. The reversal of 1100405104 is 4015040011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238984 + ... + 243544.

Almost surely, 2^1100405104 is an apocalyptic number.

It is an amenable number.

1100405104 is an abundant number, since it is smaller than the sum of its proper divisors (1160084144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100405104 is a wasteful number, since it uses less digits than its factorization.

1100405104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1100405104 is about 33172.3545139624. The cubic root of 1100405104 is about 1032.4068213591.

Adding to 1100405104 its reverse (4015040011), we get a palindrome (5115445115).

The spelling of 1100405104 in words is "one billion, one hundred million, four hundred five thousand, one hundred four".