11481381340668 has 36 divisors (see below), whose sum is σ = 29068374932688. Its totient is φ = 3821061928320.

The previous prime is 11481381340573. The next prime is 11481381340697. The reversal of 11481381340668 is 86604318318411.

11481381340668 is a `hidden beast` number, since 1 + 1 + 48 + 138 + 1 + 3 + 406 + 68 = 666.

11481381340668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252693021 + ... + 252738452.

Almost surely, 2^{11481381340668} is an apocalyptic number.

11481381340668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11481381340668 is an abundant number, since it is smaller than the sum of its proper divisors (17586993592020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11481381340668 is a wasteful number, since it uses less digits than its factorization.

11481381340668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505432114 (or 505432109 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 11481381340668 in words is "eleven trillion, four hundred eighty-one billion, three hundred eighty-one million, three hundred forty thousand, six hundred sixty-eight".