10541400521 has 2 divisors, whose sum is σ = 10541400522. Its totient is φ = 10541400520.

The previous prime is 10541400481. The next prime is 10541400581. The reversal of 10541400521 is 12500414501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9056377225 + 1485023296 = 95165^2 + 38536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10541400521 is a prime.

It is a super-2 number, since 2×10541400521² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10541400581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270700260 + 5270700261.

It is an arithmetic number, because the mean of its divisors is an integer number (5270700261).

Almost surely, 2^10541400521 is an apocalyptic number.

It is an amenable number.

10541400521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10541400521 is an equidigital number, since it uses as much as digits as its factorization.

10541400521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 10541400521 in words is "ten billion, five hundred forty-one million, four hundred thousand, five hundred twenty-one".