11214312520 has 32 divisors (see below), whose sum is σ = 25235721720. Its totient is φ = 4485099520.

The previous prime is 11214312503. The next prime is 11214312521. The reversal of 11214312520 is 2521341211.

It can be written as a sum of positive squares in 4 ways, for example, as 11209303876 + 5008644 = 105874^2 + 2238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11214312491 and 11214312500.

It is not an unprimeable number, because it can be changed into a prime (11214312521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363624 + ... + 393256.

Almost surely, 2^11214312520 is an apocalyptic number.

11214312520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11214312520 is an abundant number, since it is smaller than the sum of its proper divisors (14021409200).

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

11214312520 is a wasteful number, since it uses less digits than its factorization.

11214312520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39105 (or 39101 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11214312520 its reverse (2521341211), we get a palindrome (13735653731).

The spelling of 11214312520 in words is "eleven billion, two hundred fourteen million, three hundred twelve thousand, five hundred twenty".