13887512626261 has 8 divisors (see below), whose sum is σ = 13897522285184. Its totient is φ = 13877504277840.

The previous prime is 13887512626241. The next prime is 13887512626349. The reversal of 13887512626261 is 16262621578831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13887512626261 - 2⁷ = 13887512626133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13887512626196 and 13887512626205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887512626231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21391735 + ... + 22031371.

It is an arithmetic number, because the mean of its divisors is an integer number (1737190285648).

Almost surely, 2^{13887512626261} is an apocalyptic number.

It is an amenable number.

13887512626261 is a deficient number, since it is larger than the sum of its proper divisors (10009658923).

13887512626261 is a wasteful number, since it uses less digits than its factorization.

13887512626261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655251.

The product of its digits is 11612160, while the sum is 58.

The spelling of 13887512626261 in words is "thirteen trillion, eight hundred eighty-seven billion, five hundred twelve million, six hundred twenty-six thousand, two hundred sixty-one".