13961374424526 has 64 divisors (see below), whose sum is σ = 29360993633280. Its totient is φ = 4419375461760.

The previous prime is 13961374424461. The next prime is 13961374424527. The reversal of 13961374424526 is 62542447316931.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13961374424527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225272395 + ... + 225334361.

It is an arithmetic number, because the mean of its divisors is an integer number (458765525520).

Almost surely, 2^{13961374424526} is an apocalyptic number.

13961374424526 is an abundant number, since it is smaller than the sum of its proper divisors (15399619208754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13961374424526 is a wasteful number, since it uses less digits than its factorization.

13961374424526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83289.

The product of its digits is 26127360, while the sum is 57.

The spelling of 13961374424526 in words is "thirteen trillion, nine hundred sixty-one billion, three hundred seventy-four million, four hundred twenty-four thousand, five hundred twenty-six".