11351521241 has 2 divisors, whose sum is σ = 11351521242. Its totient is φ = 11351521240.

The previous prime is 11351521213. The next prime is 11351521249. The reversal of 11351521241 is 14212515311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11256361216 + 95160025 = 106096^2 + 9755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11351521241 - 2¹⁰ = 11351520217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11351521241.

It is not a weakly prime, because it can be changed into another prime (11351521249) 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, 5675760620 + 5675760621.

It is an arithmetic number, because the mean of its divisors is an integer number (5675760621).

Almost surely, 2^11351521241 is an apocalyptic number.

It is an amenable number.

11351521241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11351521241 is an equidigital number, since it uses as much as digits as its factorization.

11351521241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

The spelling of 11351521241 in words is "eleven billion, three hundred fifty-one million, five hundred twenty-one thousand, two hundred forty-one".