11211431348320 has 96 divisors (see below), whose sum is σ = 30289991897088. Its totient is φ = 3841490462208.

The previous prime is 11211431348303. The next prime is 11211431348353. The reversal of 11211431348320 is 2384313411211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388824 + ... + 4934743.

It is an arithmetic number, because the mean of its divisors is an integer number (315520748928).

Almost surely, 2^{11211431348320} is an apocalyptic number.

11211431348320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211431348320 is an abundant number, since it is smaller than the sum of its proper divisors (19078560548768).

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

11211431348320 is a wasteful number, since it uses less digits than its factorization.

11211431348320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325172 (or 6325164 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 11211431348320 its reverse (2384313411211), we get a palindrome (13595744759531).

The spelling of 11211431348320 in words is "eleven trillion, two hundred eleven billion, four hundred thirty-one million, three hundred forty-eight thousand, three hundred twenty".