11001666716572 has 24 divisors (see below), whose sum is σ = 22003484124384. Its totient is φ = 4714967730432.

The previous prime is 11001666716503. The next prime is 11001666716603. The reversal of 11001666716572 is 27561766610011.

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, 3070248 + ... + 5606224.

It is an arithmetic number, because the mean of its divisors is an integer number (916811838516).

Almost surely, 2^{11001666716572} is an apocalyptic number.

It is an amenable number.

11001666716572 is an abundant number, since it is smaller than the sum of its proper divisors (11001817407812).

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

11001666716572 is a wasteful number, since it uses less digits than its factorization.

11001666716572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690925 (or 2690923 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 11001666716572 in words is "eleven trillion, one billion, six hundred sixty-six million, seven hundred sixteen thousand, five hundred seventy-two".