11743027897221 has 12 divisors (see below), whose sum is σ = 16965906646572. Its totient is φ = 7826952077376.

The previous prime is 11743027897219. The next prime is 11743027897301. The reversal of 11743027897221 is 12279872034711.

11743027897221 is a `hidden beast` number, since 1 + 174 + 302 + 7 + 89 + 72 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2554163330625 + 9188864566596 = 1598175^2 + 3031314^2 .

It is not a de Polignac number, because 11743027897221 - 2¹ = 11743027897219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11743027897921) 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, 144389376 + ... + 144470681.

It is an arithmetic number, because the mean of its divisors is an integer number (1413825553881).

Almost surely, 2^{11743027897221} is an apocalyptic number.

It is an amenable number.

11743027897221 is a deficient number, since it is larger than the sum of its proper divisors (5222878749351).

11743027897221 is a wasteful number, since it uses less digits than its factorization.

11743027897221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288864580 (or 288864577 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 11743027897221 in words is "eleven trillion, seven hundred forty-three billion, twenty-seven million, eight hundred ninety-seven thousand, two hundred twenty-one".