11662266115520 has 56 divisors (see below), whose sum is σ = 27771347610864. Its totient is φ = 4664809619456.

The previous prime is 11662266115519. The next prime is 11662266115553. The reversal of 11662266115520 is 2551166226611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16195787 + ... + 16900533.

Almost surely, 2^{11662266115520} is an apocalyptic number.

11662266115520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11662266115520 is an abundant number, since it is smaller than the sum of its proper divisors (16109081495344).

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

11662266115520 is an equidigital number, since it uses as much as digits as its factorization.

11662266115520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756477 (or 756467 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 11662266115520 in words is "eleven trillion, six hundred sixty-two billion, two hundred sixty-six million, one hundred fifteen thousand, five hundred twenty".