13087043486961 has 16 divisors (see below), whose sum is σ = 17504028696000. Its totient is φ = 8697382752960.

The previous prime is 13087043486947. The next prime is 13087043486971. The reversal of 13087043486961 is 16968434078031.

It is not a de Polignac number, because 13087043486961 - 2⁹ = 13087043486449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13087043486895 and 13087043486904.

It is not an unprimeable number, because it can be changed into a prime (13087043486971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8390415 + ... + 9827163.

It is an arithmetic number, because the mean of its divisors is an integer number (1094001793500).

Almost surely, 2^{13087043486961} is an apocalyptic number.

It is an amenable number.

13087043486961 is a deficient number, since it is larger than the sum of its proper divisors (4416985209039).

13087043486961 is a wasteful number, since it uses less digits than its factorization.

13087043486961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446256.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 13087043486961 in words is "thirteen trillion, eighty-seven billion, forty-three million, four hundred eighty-six thousand, nine hundred sixty-one".