11144540305452 has 48 divisors (see below), whose sum is σ = 26183729601792. Its totient is φ = 3689209162560.

The previous prime is 11144540305441. The next prime is 11144540305489. The reversal of 11144540305452 is 25450304544111.

It is a self number, because there is not a number n which added to its sum of digits gives 11144540305452.

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, 1184674 + ... + 4867497.

It is an arithmetic number, because the mean of its divisors is an integer number (545494366704).

Almost surely, 2^{11144540305452} is an apocalyptic number.

11144540305452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11144540305452 is an abundant number, since it is smaller than the sum of its proper divisors (15039189296340).

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

11144540305452 is a wasteful number, since it uses less digits than its factorization.

11144540305452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053238 (or 6053236 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 11144540305452 its reverse (25450304544111), we get a palindrome (36594844849563).

The spelling of 11144540305452 in words is "eleven trillion, one hundred forty-four billion, five hundred forty million, three hundred five thousand, four hundred fifty-two".