1101144036 has 48 divisors (see below), whose sum is σ = 2662511040. Its totient is φ = 353781120.

The previous prime is 1101144019. The next prime is 1101144049. The reversal of 1101144036 is 6304411011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227635 + ... + 232421.

It is an arithmetic number, because the mean of its divisors is an integer number (55468980).

Almost surely, 2^1101144036 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 1101144036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331255520).

1101144036 is an abundant number, since it is smaller than the sum of its proper divisors (1561367004).

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

1101144036 is a wasteful number, since it uses less digits than its factorization.

1101144036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1101144036 is about 33183.4904131558. The cubic root of 1101144036 is about 1032.6378598310.

Adding to 1101144036 its reverse (6304411011), we get a palindrome (7405555047).

The spelling of 1101144036 in words is "one billion, one hundred one million, one hundred forty-four thousand, thirty-six".