11543049524 has 6 divisors (see below), whose sum is σ = 20200336674. Its totient is φ = 5771524760.

The previous prime is 11543049523. The next prime is 11543049541. The reversal of 11543049524 is 42594034511.

It can be written as a sum of positive squares in only one way, i.e., 11223283600 + 319765924 = 105940^2 + 17882^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543049523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442881187 + ... + 1442881194.

It is an arithmetic number, because the mean of its divisors is an integer number (3366722779).

Almost surely, 2^11543049524 is an apocalyptic number.

It is an amenable number.

11543049524 is a deficient number, since it is larger than the sum of its proper divisors (8657287150).

11543049524 is a wasteful number, since it uses less digits than its factorization.

11543049524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885762385 (or 2885762383 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 11543049524 in words is "eleven billion, five hundred forty-three million, forty-nine thousand, five hundred twenty-four".