11522007420 has 192 divisors, whose sum is σ = 40823709696. Its totient is φ = 2358385920.

The previous prime is 11522007391. The next prime is 11522007443. The reversal of 11522007420 is 2470022511.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 290929 + ... + 328151.

It is an arithmetic number, because the mean of its divisors is an integer number (212623488).

Almost surely, 2^11522007420 is an apocalyptic number.

11522007420 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 11522007420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20411854848).

11522007420 is an abundant number, since it is smaller than the sum of its proper divisors (29301702276).

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

11522007420 is a wasteful number, since it uses less digits than its factorization.

11522007420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37320 (or 37318 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 11522007420 its reverse (2470022511), we get a palindrome (13992029931).

The spelling of 11522007420 in words is "eleven billion, five hundred twenty-two million, seven thousand, four hundred twenty".