11840684624 has 20 divisors (see below), whose sum is σ = 23317415700. Its totient is φ = 5823287040.

The previous prime is 11840684539. The next prime is 11840684627. The reversal of 11840684624 is 42648604811.

It can be written as a sum of positive squares in 2 ways, for example, as 2951966224 + 8888718400 = 54332^2 + 94280^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840684627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064949 + ... + 6066900.

It is an arithmetic number, because the mean of its divisors is an integer number (1165870785).

Almost surely, 2^11840684624 is an apocalyptic number.

It is an amenable number.

11840684624 is a deficient number, since it is larger than the sum of its proper divisors (11476731076).

11840684624 is a wasteful number, since it uses less digits than its factorization.

11840684624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131918 (or 12131912 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 11840684624 in words is "eleven billion, eight hundred forty million, six hundred eighty-four thousand, six hundred twenty-four".