13155401104249 has 2 divisors, whose sum is σ = 13155401104250. Its totient is φ = 13155401104248.

The previous prime is 13155401104187. The next prime is 13155401104259. The reversal of 13155401104249 is 94240110455131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625000000 + 14776104249 = 3625000^2 + 121557^2 .

It is a cyclic number.

It is not a de Polignac number, because 13155401104249 - 2¹⁵ = 13155401071481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13155401104259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577700552124 + 6577700552125.

It is an arithmetic number, because the mean of its divisors is an integer number (6577700552125).

Almost surely, 2^{13155401104249} is an apocalyptic number.

It is an amenable number.

13155401104249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155401104249 is an equidigital number, since it uses as much as digits as its factorization.

13155401104249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 13155401104249 in words is "thirteen trillion, one hundred fifty-five billion, four hundred one million, one hundred four thousand, two hundred forty-nine".