1336244801261 has 2 divisors, whose sum is σ = 1336244801262. Its totient is φ = 1336244801260.

The previous prime is 1336244801161. The next prime is 1336244801263. The reversal of 1336244801261 is 1621084426331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267270284361 + 68974516900 = 1125731^2 + 262630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336244801261 - 2¹⁴ = 1336244784877 is a prime.

Together with 1336244801263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336244801263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668122400630 + 668122400631.

It is an arithmetic number, because the mean of its divisors is an integer number (668122400631).

Almost surely, 2^{1336244801261} is an apocalyptic number.

It is an amenable number.

1336244801261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336244801261 is an equidigital number, since it uses as much as digits as its factorization.

1336244801261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1336244801261 in words is "one trillion, three hundred thirty-six billion, two hundred forty-four million, eight hundred one thousand, two hundred sixty-one".