11013534020 has 24 divisors (see below), whose sum is σ = 23133368664. Its totient is φ = 4404471296.

The previous prime is 11013533981. The next prime is 11013534029. The reversal of 11013534020 is 2043531011.

It can be written as a sum of positive squares in 4 ways, for example, as 1512743236 + 9500790784 = 38894^2 + 97472^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11013533983 and 11013534001.

It is not an unprimeable number, because it can be changed into a prime (11013534029) 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 7 ways as a sum of consecutive naturals, for example, 41084 + ... + 153996.

It is an arithmetic number, because the mean of its divisors is an integer number (963890361).

Almost surely, 2^11013534020 is an apocalyptic number.

11013534020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013534020 is an abundant number, since it is smaller than the sum of its proper divisors (12119834644).

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

11013534020 is a wasteful number, since it uses less digits than its factorization.

11013534020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117799 (or 117797 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 11013534020 in words is "eleven billion, thirteen million, five hundred thirty-four thousand, twenty".