10520542465451 has 2 divisors, whose sum is σ = 10520542465452. Its totient is φ = 10520542465450.

The previous prime is 10520542465429. The next prime is 10520542465471. The reversal of 10520542465451 is 15456424502501.

It is a strong prime.

It is an emirp because it is prime and its reverse (15456424502501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10520542465451 - 2²² = 10520538271147 is a prime.

It is a super-2 number, since 2×10520542465451² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10520542465421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260271232725 + 5260271232726.

It is an arithmetic number, because the mean of its divisors is an integer number (5260271232726).

Almost surely, 2^{10520542465451} is an apocalyptic number.

10520542465451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520542465451 is an equidigital number, since it uses as much as digits as its factorization.

10520542465451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 10520542465451 its reverse (15456424502501), we get a palindrome (25976966967952).

The spelling of 10520542465451 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, four hundred sixty-five thousand, four hundred fifty-one".