11418421064481 has 12 divisors (see below), whose sum is σ = 16804468737108. Its totient is φ = 7468652771424.

The previous prime is 11418421064419. The next prime is 11418421064483. The reversal of 11418421064481 is 18446012481411.

11418421064481 is a `hidden beast` number, since 1 + 1 + 4 + 184 + 21 + 0 + 6 + 448 + 1 = 666.

11418421064481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10270480248081 + 1147940816400 = 3204759^2 + 1071420^2 .

It is not a de Polignac number, because 11418421064481 - 2⁹ = 11418421063969 is a prime.

It is a super-2 number, since 2×11418421064481² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11418421064483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11968994350 + ... + 11968995303.

It is an arithmetic number, because the mean of its divisors is an integer number (1400372394759).

Almost surely, 2^{11418421064481} is an apocalyptic number.

It is an amenable number.

11418421064481 is a deficient number, since it is larger than the sum of its proper divisors (5386047672627).

11418421064481 is a wasteful number, since it uses less digits than its factorization.

11418421064481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23937989712 (or 23937989709 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 11418421064481 in words is "eleven trillion, four hundred eighteen billion, four hundred twenty-one million, sixty-four thousand, four hundred eighty-one".