11116205001520 has 160 divisors (see below), whose sum is σ = 26108768931840. Its totient is φ = 4401406356480.

The previous prime is 11116205001511. The next prime is 11116205001521. The reversal of 11116205001520 is 2510050261111.

It is not an unprimeable number, because it can be changed into a prime (11116205001521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3309377601 + ... + 3309380959.

It is an arithmetic number, because the mean of its divisors is an integer number (163179805824).

Almost surely, 2^{11116205001520} is an apocalyptic number.

11116205001520 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 11116205001520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13054384465920).

11116205001520 is an abundant number, since it is smaller than the sum of its proper divisors (14992563930320).

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

11116205001520 is a wasteful number, since it uses less digits than its factorization.

11116205001520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 11116205001520 its reverse (2510050261111), we get a palindrome (13626255262631).

The spelling of 11116205001520 in words is "eleven trillion, one hundred sixteen billion, two hundred five million, one thousand, five hundred twenty".