1100255504 has 40 divisors (see below), whose sum is σ = 2261616408. Its totient is φ = 516741120.

The previous prime is 1100255413. The next prime is 1100255539. The reversal of 1100255504 is 4055520011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 541027600 + 559227904 = 23260^2 + 23648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100255504.

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, 143414 + ... + 150890.

Almost surely, 2^1100255504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100255504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130808204).

1100255504 is an abundant number, since it is smaller than the sum of its proper divisors (1161360904).

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

1100255504 is a wasteful number, since it uses less digits than its factorization.

1100255504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043 (or 8037 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1100255504 is about 33170.0995476348. The cubic root of 1100255504 is about 1032.3600340261.

Adding to 1100255504 its reverse (4055520011), we get a palindrome (5155775515).

The spelling of 1100255504 in words is "one billion, one hundred million, two hundred fifty-five thousand, five hundred four".