11321716261420 has 24 divisors (see below), whose sum is σ = 23777217657648. Its totient is φ = 4528379169600.

The previous prime is 11321716261417. The next prime is 11321716261421. The reversal of 11321716261420 is 2416261712311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321716261420.

It is not an unprimeable number, because it can be changed into a prime (11321716261421) 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, 18906246 + ... + 19495885.

It is an arithmetic number, because the mean of its divisors is an integer number (990717402402).

Almost surely, 2^{11321716261420} is an apocalyptic number.

11321716261420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321716261420 is an abundant number, since it is smaller than the sum of its proper divisors (12455501396228).

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

11321716261420 is a wasteful number, since it uses less digits than its factorization.

11321716261420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38416881 (or 38416879 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 11321716261420 its reverse (2416261712311), we get a palindrome (13737977973731).

The spelling of 11321716261420 in words is "eleven trillion, three hundred twenty-one billion, seven hundred sixteen million, two hundred sixty-one thousand, four hundred twenty".