11825404646 has 64 divisors (see below), whose sum is σ = 21879797760. Its totient is φ = 4726848000.

The previous prime is 11825404631. The next prime is 11825404649. The reversal of 11825404646 is 64640452811.

11825404646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11825404649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318641 + ... + 353811.

It is an arithmetic number, because the mean of its divisors is an integer number (341871840).

Almost surely, 2^11825404646 is an apocalyptic number.

11825404646 is a deficient number, since it is larger than the sum of its proper divisors (10054393114).

11825404646 is a wasteful number, since it uses less digits than its factorization.

11825404646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35261.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 11825404646 in words is "eleven billion, eight hundred twenty-five million, four hundred four thousand, six hundred forty-six".