11111141000521 has 2 divisors, whose sum is σ = 11111141000522. Its totient is φ = 11111141000520.

The previous prime is 11111141000501. The next prime is 11111141000537. The reversal of 11111141000521 is 12500014111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8077845044025 + 3033295956496 = 2842155^2 + 1741636^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111141000521 - 2¹⁵ = 11111140967753 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111141000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555570500260 + 5555570500261.

It is an arithmetic number, because the mean of its divisors is an integer number (5555570500261).

Almost surely, 2^{11111141000521} is an apocalyptic number.

It is an amenable number.

11111141000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111141000521 is an equidigital number, since it uses as much as digits as its factorization.

11111141000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 11111141000521 its reverse (12500014111111), we get a palindrome (23611155111632).

The spelling of 11111141000521 in words is "eleven trillion, one hundred eleven billion, one hundred forty-one million, five hundred twenty-one", and thus it is an aban number.