11015453020 has 192 divisors, whose sum is σ = 28571719680. Its totient is φ = 3510144000.

The previous prime is 11015453011. The next prime is 11015453023. The reversal of 11015453020 is 2035451011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11015452982 and 11015453000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11015453023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9932226 + ... + 9933334.

It is an arithmetic number, because the mean of its divisors is an integer number (148811040).

Almost surely, 2^11015453020 is an apocalyptic number.

11015453020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11015453020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14285859840).

11015453020 is an abundant number, since it is smaller than the sum of its proper divisors (17556266660).

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

11015453020 is a wasteful number, since it uses less digits than its factorization.

11015453020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 11015453020 in words is "eleven billion, fifteen million, four hundred fifty-three thousand, twenty".