11524644842 has 4 divisors (see below), whose sum is σ = 17286967266. Its totient is φ = 5762322420.

The previous prime is 11524644841. The next prime is 11524644877. The reversal of 11524644842 is 24844642511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11451354121 + 73290721 = 107011^2 + 8561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11524644842.

It is not an unprimeable number, because it can be changed into a prime (11524644841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2881161209 + ... + 2881161212.

Almost surely, 2^11524644842 is an apocalyptic number.

11524644842 is a deficient number, since it is larger than the sum of its proper divisors (5762322424).

11524644842 is an equidigital number, since it uses as much as digits as its factorization.

11524644842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762322423.

The product of its digits is 245760, while the sum is 41.

The spelling of 11524644842 in words is "eleven billion, five hundred twenty-four million, six hundred forty-four thousand, eight hundred forty-two".