11543303044 has 48 divisors (see below), whose sum is σ = 25440731008. Its totient is φ = 4460375808.

The previous prime is 11543303039. The next prime is 11543303077. The reversal of 11543303044 is 44030334511.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 353097 + ... + 384400.

Almost surely, 2^11543303044 is an apocalyptic number.

11543303044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11543303044 is an abundant number, since it is smaller than the sum of its proper divisors (13897427964).

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

11543303044 is a wasteful number, since it uses less digits than its factorization.

11543303044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737564 (or 737562 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 11543303044 its reverse (44030334511), we get a palindrome (55573637555).

The spelling of 11543303044 in words is "eleven billion, five hundred forty-three million, three hundred three thousand, forty-four".