11453090521 has 2 divisors, whose sum is σ = 11453090522. Its totient is φ = 11453090520.

The previous prime is 11453090513. The next prime is 11453090527. The reversal of 11453090521 is 12509035411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10875361225 + 577729296 = 104285^2 + 24036^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453090521 - 2³ = 11453090513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11453090527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726545260 + 5726545261.

It is an arithmetic number, because the mean of its divisors is an integer number (5726545261).

Almost surely, 2^11453090521 is an apocalyptic number.

It is an amenable number.

11453090521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453090521 is an equidigital number, since it uses as much as digits as its factorization.

11453090521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11453090521 in words is "eleven billion, four hundred fifty-three million, ninety thousand, five hundred twenty-one".