11112666452621 has 16 divisors (see below), whose sum is σ = 11276226633408. Its totient is φ = 10950212448000.

The previous prime is 11112666452611. The next prime is 11112666452753. The reversal of 11112666452621 is 12625466621111.

It is a cyclic number.

It is not a de Polignac number, because 11112666452621 - 2⁶ = 11112666452557 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112666452611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39462506 + ... + 39743108.

It is an arithmetic number, because the mean of its divisors is an integer number (704764164588).

Almost surely, 2^{11112666452621} is an apocalyptic number.

It is an amenable number.

11112666452621 is a deficient number, since it is larger than the sum of its proper divisors (163560180787).

11112666452621 is a wasteful number, since it uses less digits than its factorization.

11112666452621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282572.

The product of its digits is 207360, while the sum is 44.

The spelling of 11112666452621 in words is "eleven trillion, one hundred twelve billion, six hundred sixty-six million, four hundred fifty-two thousand, six hundred twenty-one".