13018955696041 has 3 divisors (see below), whose sum is σ = 13018959304221. Its totient is φ = 13018952087862.

The previous prime is 13018955696039. The next prime is 13018955696059. The reversal of 13018955696041 is 14069655981031.

It is a happy number.

The square root of 13018955696041 is 3608179.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13018955696041 - 2¹ = 13018955696039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13018955616041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1804090 + ... + 5412268.

It is an arithmetic number, because the mean of its divisors is an integer number (4339653101407).

Almost surely, 2^{13018955696041} is an apocalyptic number.

13018955696041 is the 3608179-th square number.

13018955696041 is the 1804090-th centered octagonal number.

It is an amenable number.

13018955696041 is a deficient number, since it is larger than the sum of its proper divisors (3608180).

13018955696041 is an frugal number, since it uses more digits than its factorization.

13018955696041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216358 (or 3608179 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 13018955696041 in words is "thirteen trillion, eighteen billion, nine hundred fifty-five million, six hundred ninety-six thousand, forty-one".