1100115522 has 96 divisors (see below), whose sum is σ = 2703430080. Its totient is φ = 320261760.

The previous prime is 1100115517. The next prime is 1100115547. The reversal of 1100115522 is 2255110011.

1100115522 is a `hidden beast` number, since 1 + 100 + 11 + 552 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1100115495 and 1100115504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1624648 + ... + 1625324.

It is an arithmetic number, because the mean of its divisors is an integer number (28160730).

Almost surely, 2^1100115522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100115522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351715040).

1100115522 is an abundant number, since it is smaller than the sum of its proper divisors (1603314558).

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

1100115522 is a wasteful number, since it uses less digits than its factorization.

1100115522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1100115522 is about 33167.9894175092. The cubic root of 1100115522 is about 1032.3162508773.

Adding to 1100115522 its reverse (2255110011), we get a palindrome (3355225533).

The spelling of 1100115522 in words is "one billion, one hundred million, one hundred fifteen thousand, five hundred twenty-two".