11854951382404 has 81 divisors (see below), whose sum is σ = 22640356429551. Its totient is φ = 5429083233600.

The previous prime is 11854951382297. The next prime is 11854951382489. The reversal of 11854951382404 is 40428315945811.

The square root of 11854951382404 is 3443102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2079542404 + 11852871840000 = 45602^2 + 3442800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13517618014 + ... + 13517618890.

Almost surely, 2^{11854951382404} is an apocalyptic number.

11854951382404 is the 3443102-nd square number.

It is an amenable number.

11854951382404 is a deficient number, since it is larger than the sum of its proper divisors (10785405047147).

11854951382404 is an frugal number, since it uses more digits than its factorization.

11854951382404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 11854951382404 in words is "eleven trillion, eight hundred fifty-four billion, nine hundred fifty-one million, three hundred eighty-two thousand, four hundred four".