13124511461 has 2 divisors, whose sum is σ = 13124511462. Its totient is φ = 13124511460.

The previous prime is 13124511457. The next prime is 13124511487. The reversal of 13124511461 is 16411542131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12529444225 + 595067236 = 111935^2 + 24394^2 .

It is an emirp because it is prime and its reverse (16411542131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13124511461 - 2² = 13124511457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124511401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562255730 + 6562255731.

It is an arithmetic number, because the mean of its divisors is an integer number (6562255731).

Almost surely, 2^13124511461 is an apocalyptic number.

It is an amenable number.

13124511461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124511461 is an equidigital number, since it uses as much as digits as its factorization.

13124511461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The spelling of 13124511461 in words is "thirteen billion, one hundred twenty-four million, five hundred eleven thousand, four hundred sixty-one".