11894121446464 has 14 divisors (see below), whose sum is σ = 23602397245454. Its totient is φ = 5947060723200.

The previous prime is 11894121446329. The next prime is 11894121446477. The reversal of 11894121446464 is 46464412149811.

It can be written as a sum of positive squares in only one way, i.e., 10086925184064 + 1807196262400 = 3175992^2 + 1344320^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 92922823737 + ... + 92922823864.

Almost surely, 2^{11894121446464} is an apocalyptic number.

It is an amenable number.

11894121446464 is a deficient number, since it is larger than the sum of its proper divisors (11708275798990).

11894121446464 is an equidigital number, since it uses as much as digits as its factorization.

11894121446464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185845647613 (or 185845647603 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The spelling of 11894121446464 in words is "eleven trillion, eight hundred ninety-four billion, one hundred twenty-one million, four hundred forty-six thousand, four hundred sixty-four".