1101145052 has 18 divisors (see below), whose sum is σ = 2241617112. Its totient is φ = 471919224.

The previous prime is 1101145043. The next prime is 1101145121. The reversal of 1101145052 is 2505411011.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2808848 + ... + 2809239.

It is an arithmetic number, because the mean of its divisors is an integer number (124534284).

Almost surely, 2^1101145052 is an apocalyptic number.

It is an amenable number.

1101145052 is an abundant number, since it is smaller than the sum of its proper divisors (1140472060).

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

1101145052 is a wasteful number, since it uses less digits than its factorization.

1101145052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618105 (or 5618096 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1101145052 is about 33183.5057219698. The cubic root of 1101145052 is about 1032.6381774279.

Adding to 1101145052 its reverse (2505411011), we get a palindrome (3606556063).

The spelling of 1101145052 in words is "one billion, one hundred one million, one hundred forty-five thousand, fifty-two".