11393450520 has 64 divisors (see below), whose sum is σ = 34259811840. Its totient is φ = 3031190400.

The previous prime is 11393450503. The next prime is 11393450533. The reversal of 11393450520 is 2505439311.

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 15 ways as a sum of consecutive naturals, for example, 58426 + ... + 161865.

It is an arithmetic number, because the mean of its divisors is an integer number (535309560).

Almost surely, 2^11393450520 is an apocalyptic number.

11393450520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11393450520 is an abundant number, since it is smaller than the sum of its proper divisors (22866361320).

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

11393450520 is a wasteful number, since it uses less digits than its factorization.

11393450520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220736 (or 220732 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 11393450520 its reverse (2505439311), we get a palindrome (13898889831).

The spelling of 11393450520 in words is "eleven billion, three hundred ninety-three million, four hundred fifty thousand, five hundred twenty".