11345336643450 has 96 divisors (see below), whose sum is σ = 28737683884800. Its totient is φ = 2960784332800.

The previous prime is 11345336643437. The next prime is 11345336643467. The reversal of 11345336643450 is 5434663354311.

It is a happy number.

11345336643450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11345336643450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84822226 + ... + 84955874.

It is an arithmetic number, because the mean of its divisors is an integer number (299350873800).

Almost surely, 2^{11345336643450} is an apocalyptic number.

11345336643450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11345336643450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14368841942400).

11345336643450 is an abundant number, since it is smaller than the sum of its proper divisors (17392347241350).

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

11345336643450 is a wasteful number, since it uses less digits than its factorization.

11345336643450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145752 (or 145747 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

Adding to 11345336643450 its reverse (5434663354311), we get a palindrome (16779999997761).

The spelling of 11345336643450 in words is "eleven trillion, three hundred forty-five billion, three hundred thirty-six million, six hundred forty-three thousand, four hundred fifty".