11543114453 has 8 divisors (see below), whose sum is σ = 12499728696. Its totient is φ = 10596312000.

The previous prime is 11543114449. The next prime is 11543114477. The reversal of 11543114453 is 35441134511.

It can be written as a sum of positive squares in 4 ways, for example, as 315169009 + 11227945444 = 17753^2 + 105962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11543114453 - 2² = 11543114449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543114353) 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, 2450498 + ... + 2455203.

It is an arithmetic number, because the mean of its divisors is an integer number (1562466087).

Almost surely, 2^11543114453 is an apocalyptic number.

11543114453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11543114453 is a deficient number, since it is larger than the sum of its proper divisors (956614243).

11543114453 is a wasteful number, since it uses less digits than its factorization.

11543114453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905895.

The product of its digits is 14400, while the sum is 32.

Adding to 11543114453 its reverse (35441134511), we get a palindrome (46984248964).

The spelling of 11543114453 in words is "eleven billion, five hundred forty-three million, one hundred fourteen thousand, four hundred fifty-three".