10521105098481 has 10 divisors (see below), whose sum is σ = 15716712554642. Its totient is φ = 7014070065600.

The previous prime is 10521105098477. The next prime is 10521105098501. The reversal of 10521105098481 is 18489050112501.

10521105098481 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 110 + 50 + 9 + 8 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8618128992225 + 1902976106256 = 2935665^2 + 1379484^2 .

It is not a de Polignac number, because 10521105098481 - 2² = 10521105098477 is a prime.

It is a super-2 number, since 2×10521105098481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521105093481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64945093120 + ... + 64945093281.

Almost surely, 2^{10521105098481} is an apocalyptic number.

It is an amenable number.

10521105098481 is a deficient number, since it is larger than the sum of its proper divisors (5195607456161).

10521105098481 is an equidigital number, since it uses as much as digits as its factorization.

10521105098481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129890186413 (or 129890186404 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The spelling of 10521105098481 in words is "ten trillion, five hundred twenty-one billion, one hundred five million, ninety-eight thousand, four hundred eighty-one".