10515066643 has 2 divisors, whose sum is σ = 10515066644. Its totient is φ = 10515066642.

The previous prime is 10515066641. The next prime is 10515066647. The reversal of 10515066643 is 34666051501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10515066643 - 2¹ = 10515066641 is a prime.

It is a super-2 number, since 2×10515066643² (a number of 21 digits) contains 22 as substring.

Together with 10515066641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10515066641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257533321 + 5257533322.

It is an arithmetic number, because the mean of its divisors is an integer number (5257533322).

Almost surely, 2^10515066643 is an apocalyptic number.

10515066643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10515066643 is an equidigital number, since it uses as much as digits as its factorization.

10515066643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10515066643 in words is "ten billion, five hundred fifteen million, sixty-six thousand, six hundred forty-three".