1101530045 has 48 divisors (see below), whose sum is σ = 1776178368. Its totient is φ = 646248960.

The previous prime is 1101530041. The next prime is 1101530047. The reversal of 1101530045 is 5400351011.

It is not a de Polignac number, because 1101530045 - 2² = 1101530041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101529999 and 1101530026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101530041) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 33794 + ... + 57836.

It is an arithmetic number, because the mean of its divisors is an integer number (37003716).

Almost surely, 2^1101530045 is an apocalyptic number.

It is an amenable number.

1101530045 is a deficient number, since it is larger than the sum of its proper divisors (674648323).

1101530045 is a wasteful number, since it uses less digits than its factorization.

1101530045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090 (or 24083 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1101530045 is about 33189.3061843721. The cubic root of 1101530045 is about 1032.7585103926.

Adding to 1101530045 its reverse (5400351011), we get a palindrome (6501881056).

The spelling of 1101530045 in words is "one billion, one hundred one million, five hundred thirty thousand, forty-five".