13105515030457 has 2 divisors, whose sum is σ = 13105515030458. Its totient is φ = 13105515030456.

The previous prime is 13105515030407. The next prime is 13105515030479. The reversal of 13105515030457 is 75403051550131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9217563169936 + 3887951860521 = 3036044^2 + 1971789^2 .

It is a cyclic number.

It is not a de Polignac number, because 13105515030457 - 2⁷ = 13105515030329 is a prime.

It is not a weakly prime, because it can be changed into another prime (13105515030407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552757515228 + 6552757515229.

It is an arithmetic number, because the mean of its divisors is an integer number (6552757515229).

Almost surely, 2^{13105515030457} is an apocalyptic number.

It is an amenable number.

13105515030457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105515030457 is an equidigital number, since it uses as much as digits as its factorization.

13105515030457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 40.

Adding to 13105515030457 its reverse (75403051550131), we get a palindrome (88508566580588).

The spelling of 13105515030457 in words is "thirteen trillion, one hundred five billion, five hundred fifteen million, thirty thousand, four hundred fifty-seven".