11008043521 has 2 divisors, whose sum is σ = 11008043522. Its totient is φ = 11008043520.

The previous prime is 11008043483. The next prime is 11008043533. The reversal of 11008043521 is 12534080011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8880989121 + 2127054400 = 94239^2 + 46120^2 .

It is a cyclic number.

It is not a de Polignac number, because 11008043521 - 2⁹ = 11008043009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11008043551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504021760 + 5504021761.

It is an arithmetic number, because the mean of its divisors is an integer number (5504021761).

Almost surely, 2^11008043521 is an apocalyptic number.

It is an amenable number.

11008043521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11008043521 is an equidigital number, since it uses as much as digits as its factorization.

11008043521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 11008043521 in words is "eleven billion, eight million, forty-three thousand, five hundred twenty-one".