15461203620481 has 2 divisors, whose sum is σ = 15461203620482. Its totient is φ = 15461203620480.

The previous prime is 15461203620463. The next prime is 15461203620617. The reversal of 15461203620481 is 18402630216451.

15461203620481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8924463163456 + 6536740457025 = 2987384^2 + 2556705^2 .

It is a cyclic number.

It is not a de Polignac number, because 15461203620481 - 2²¹ = 15461201523329 is a prime.

It is a super-2 number, since 2×15461203620481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15461203620461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7730601810240 + 7730601810241.

It is an arithmetic number, because the mean of its divisors is an integer number (7730601810241).

Almost surely, 2^{15461203620481} is an apocalyptic number.

It is an amenable number.

15461203620481 is a deficient number, since it is larger than the sum of its proper divisors (1).

15461203620481 is an equidigital number, since it uses as much as digits as its factorization.

15461203620481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 15461203620481 in words is "fifteen trillion, four hundred sixty-one billion, two hundred three million, six hundred twenty thousand, four hundred eighty-one".