11146406745821 has 2 divisors, whose sum is σ = 11146406745822. Its totient is φ = 11146406745820.

The previous prime is 11146406745757. The next prime is 11146406745841. The reversal of 11146406745821 is 12854760464111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10809536781796 + 336869964025 = 3287786^2 + 580405^2 .

It is a cyclic number.

It is not a de Polignac number, because 11146406745821 - 2⁶ = 11146406745757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11146406745821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146406745841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573203372910 + 5573203372911.

It is an arithmetic number, because the mean of its divisors is an integer number (5573203372911).

Almost surely, 2^{11146406745821} is an apocalyptic number.

It is an amenable number.

11146406745821 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146406745821 is an equidigital number, since it uses as much as digits as its factorization.

11146406745821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 11146406745821 in words is "eleven trillion, one hundred forty-six billion, four hundred six million, seven hundred forty-five thousand, eight hundred twenty-one".