11543041430 has 48 divisors (see below), whose sum is σ = 21314877840. Its totient is φ = 4499506368.

The previous prime is 11543041423. The next prime is 11543041451. The reversal of 11543041430 is 3414034511.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11543041430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9515504 + ... + 9516716.

It is an arithmetic number, because the mean of its divisors is an integer number (444059955).

Almost surely, 2^11543041430 is an apocalyptic number.

11543041430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11543041430 is a deficient number, since it is larger than the sum of its proper divisors (9771836410).

11543041430 is a wasteful number, since it uses less digits than its factorization.

11543041430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11543041430 its reverse (3414034511), we get a palindrome (14957075941).

The spelling of 11543041430 in words is "eleven billion, five hundred forty-three million, forty-one thousand, four hundred thirty".