10651244615281 has 2 divisors, whose sum is σ = 10651244615282. Its totient is φ = 10651244615280.

The previous prime is 10651244615269. The next prime is 10651244615327. The reversal of 10651244615281 is 18251644215601.

It is a happy number.

It is an a-pointer prime, because the next prime (10651244615327) can be obtained adding 10651244615281 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10622488934656 + 28755680625 = 3259216^2 + 169575^2 .

It is a cyclic number.

It is not a de Polignac number, because 10651244615281 - 2²⁵ = 10651211060849 is a prime.

It is a super-2 number, since 2×10651244615281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10651244615251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325622307640 + 5325622307641.

It is an arithmetic number, because the mean of its divisors is an integer number (5325622307641).

Almost surely, 2^{10651244615281} is an apocalyptic number.

It is an amenable number.

10651244615281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10651244615281 is an equidigital number, since it uses as much as digits as its factorization.

10651244615281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 10651244615281 in words is "ten trillion, six hundred fifty-one billion, two hundred forty-four million, six hundred fifteen thousand, two hundred eighty-one".