13261500462164 has 12 divisors (see below), whose sum is σ = 23291407853364. Its totient is φ = 6606812504064.

The previous prime is 13261500462157. The next prime is 13261500462167. The reversal of 13261500462164 is 46126400516231.

It can be written as a sum of positive squares in 2 ways, for example, as 4166873029264 + 9094627432900 = 2041292^2 + 3015730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261500462167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5984430509 + ... + 5984432724.

It is an arithmetic number, because the mean of its divisors is an integer number (1940950654447).

Almost surely, 2^{13261500462164} is an apocalyptic number.

It is an amenable number.

13261500462164 is a deficient number, since it is larger than the sum of its proper divisors (10029907391200).

13261500462164 is a wasteful number, since it uses less digits than its factorization.

13261500462164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11968863514 (or 11968863512 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 13261500462164 its reverse (46126400516231), we get a palindrome (59387900978395).

The spelling of 13261500462164 in words is "thirteen trillion, two hundred sixty-one billion, five hundred million, four hundred sixty-two thousand, one hundred sixty-four".