15401210428481 has 2 divisors, whose sum is σ = 15401210428482. Its totient is φ = 15401210428480.

The previous prime is 15401210428447. The next prime is 15401210428613. The reversal of 15401210428481 is 18482401210451.

15401210428481 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., 12896717440000 + 2504492988481 = 3591200^2 + 1582559^2 .

It is a cyclic number.

It is not a de Polignac number, because 15401210428481 - 2²² = 15401206234177 is a prime.

It is a super-2 number, since 2×15401210428481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15401210428411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700605214240 + 7700605214241.

It is an arithmetic number, because the mean of its divisors is an integer number (7700605214241).

Almost surely, 2^{15401210428481} is an apocalyptic number.

It is an amenable number.

15401210428481 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401210428481 is an equidigital number, since it uses as much as digits as its factorization.

15401210428481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 15401210428481 in words is "fifteen trillion, four hundred one billion, two hundred ten million, four hundred twenty-eight thousand, four hundred eighty-one".