10651244615381 has 2 divisors, whose sum is σ = 10651244615382. Its totient is φ = 10651244615380.

The previous prime is 10651244615329. The next prime is 10651244615383. The reversal of 10651244615381 is 18351644215601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10649355322225 + 1889293156 = 3263335^2 + 43466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10651244615381 is a prime.

It is a super-2 number, since 2×10651244615381² (a number of 27 digits) contains 22 as substring.

Together with 10651244615383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10651244615383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325622307690 + 5325622307691.

It is an arithmetic number, because the mean of its divisors is an integer number (5325622307691).

Almost surely, 2^{10651244615381} is an apocalyptic number.

It is an amenable number.

10651244615381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10651244615381 is an equidigital number, since it uses as much as digits as its factorization.

10651244615381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 10651244615381 in words is "ten trillion, six hundred fifty-one billion, two hundred forty-four million, six hundred fifteen thousand, three hundred eighty-one".