11545443234450 has 144 divisors (see below), whose sum is σ = 32313880216800. Its totient is φ = 2952782227200.

The previous prime is 11545443234431. The next prime is 11545443234541. The reversal of 11545443234450 is 5443234454511.

11545443234450 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 544 + 32 + 34 + 45 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 11545443234396 and 11545443234405.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4214580 + ... + 6391679.

It is an arithmetic number, because the mean of its divisors is an integer number (224401945950).

Almost surely, 2^{11545443234450} is an apocalyptic number.

11545443234450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11545443234450 is an abundant number, since it is smaller than the sum of its proper divisors (20768436982350).

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

11545443234450 is a wasteful number, since it uses less digits than its factorization.

11545443234450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606377 (or 10606369 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 11545443234450 its reverse (5443234454511), we get a palindrome (16988677688961).

The spelling of 11545443234450 in words is "eleven trillion, five hundred forty-five billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred fifty".