13418897115641 has 2 divisors, whose sum is σ = 13418897115642. Its totient is φ = 13418897115640.

The previous prime is 13418897115587. The next prime is 13418897115661. The reversal of 13418897115641 is 14651179881431.

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., 8867411952400 + 4551485163241 = 2977820^2 + 2133421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13418897115641 is a prime.

It is not a weakly prime, because it can be changed into another prime (13418897115661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6709448557820 + 6709448557821.

It is an arithmetic number, because the mean of its divisors is an integer number (6709448557821).

Almost surely, 2^{13418897115641} is an apocalyptic number.

It is an amenable number.

13418897115641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13418897115641 is an equidigital number, since it uses as much as digits as its factorization.

13418897115641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 59.

The spelling of 13418897115641 in words is "thirteen trillion, four hundred eighteen billion, eight hundred ninety-seven million, one hundred fifteen thousand, six hundred forty-one".