11311311242352 has 40 divisors (see below), whose sum is σ = 31877331684480. Its totient is φ = 3427670073280.

The previous prime is 11311311242351. The next prime is 11311311242417. The reversal of 11311311242352 is 25324211311311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311311242351) 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, 10711468452 + ... + 10711469507.

It is an arithmetic number, because the mean of its divisors is an integer number (796933292112).

Almost surely, 2^{11311311242352} is an apocalyptic number.

11311311242352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11311311242352 is an abundant number, since it is smaller than the sum of its proper divisors (20566020442128).

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

11311311242352 is a wasteful number, since it uses less digits than its factorization.

11311311242352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422937981 (or 21422937975 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

Adding to 11311311242352 its reverse (25324211311311), we get a palindrome (36635522553663).

The spelling of 11311311242352 in words is "eleven trillion, three hundred eleven billion, three hundred eleven million, two hundred forty-two thousand, three hundred fifty-two".