11662881400602 has 48 divisors (see below), whose sum is σ = 25857695717568. Its totient is φ = 3797150414400.

The previous prime is 11662881400589. The next prime is 11662881400633. The reversal of 11662881400602 is 20600418826611.

It is a happy number.

11662881400602 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 28 + 8 + 14 + 0 + 0 + 602 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63841963 + ... + 64024385.

It is an arithmetic number, because the mean of its divisors is an integer number (538701994116).

Almost surely, 2^{11662881400602} is an apocalyptic number.

11662881400602 is an abundant number, since it is smaller than the sum of its proper divisors (14194814316966).

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

11662881400602 is a wasteful number, since it uses less digits than its factorization.

11662881400602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265075 (or 265072 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 11662881400602 in words is "eleven trillion, six hundred sixty-two billion, eight hundred eighty-one million, four hundred thousand, six hundred two".