1100132555 has 8 divisors (see below), whose sum is σ = 1320384912. Its totient is φ = 879955488.

The previous prime is 1100132549. The next prime is 1100132569. The reversal of 1100132555 is 5552310011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100132555 - 2¹² = 1100128459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100132555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20984 + ... + 51386.

It is an arithmetic number, because the mean of its divisors is an integer number (165048114).

Almost surely, 2^1100132555 is an apocalyptic number.

1100132555 is a deficient number, since it is larger than the sum of its proper divisors (220252357).

1100132555 is an equidigital number, since it uses as much as digits as its factorization.

1100132555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37645.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1100132555 is about 33168.2461851693. The cubic root of 1100132555 is about 1032.3215786063.

Adding to 1100132555 its reverse (5552310011), we get a palindrome (6652442566).

The spelling of 1100132555 in words is "one billion, one hundred million, one hundred thirty-two thousand, five hundred fifty-five".