13855316381741 has 2 divisors, whose sum is σ = 13855316381742. Its totient is φ = 13855316381740.

The previous prime is 13855316381717. The next prime is 13855316381759. The reversal of 13855316381741 is 14718361355831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13694840027716 + 160476354025 = 3700654^2 + 400595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13855316381741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13855316387741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6927658190870 + 6927658190871.

It is an arithmetic number, because the mean of its divisors is an integer number (6927658190871).

Almost surely, 2^{13855316381741} is an apocalyptic number.

It is an amenable number.

13855316381741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13855316381741 is an equidigital number, since it uses as much as digits as its factorization.

13855316381741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 56.

The spelling of 13855316381741 in words is "thirteen trillion, eight hundred fifty-five billion, three hundred sixteen million, three hundred eighty-one thousand, seven hundred forty-one".