10541235552521 has 2 divisors, whose sum is σ = 10541235552522. Its totient is φ = 10541235552520.

The previous prime is 10541235552499. The next prime is 10541235552527. The reversal of 10541235552521 is 12525553214501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7027350337225 + 3513885215296 = 2650915^2 + 1874536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10541235552521 is a prime.

It is a super-2 number, since 2×10541235552521² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10541235552527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270617776260 + 5270617776261.

It is an arithmetic number, because the mean of its divisors is an integer number (5270617776261).

Almost surely, 2^{10541235552521} is an apocalyptic number.

It is an amenable number.

10541235552521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10541235552521 is an equidigital number, since it uses as much as digits as its factorization.

10541235552521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 10541235552521 in words is "ten trillion, five hundred forty-one billion, two hundred thirty-five million, five hundred fifty-two thousand, five hundred twenty-one".