10520542402567 has 2 divisors, whose sum is σ = 10520542402568. Its totient is φ = 10520542402566.

The previous prime is 10520542402493. The next prime is 10520542402613. The reversal of 10520542402567 is 76520424502501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10520542402567 is a prime.

It is a super-2 number, since 2×10520542402567² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10520542402367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260271201283 + 5260271201284.

It is an arithmetic number, because the mean of its divisors is an integer number (5260271201284).

Almost surely, 2^{10520542402567} is an apocalyptic number.

10520542402567 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520542402567 is an equidigital number, since it uses as much as digits as its factorization.

10520542402567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 10520542402567 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, four hundred two thousand, five hundred sixty-seven".