13006503234261 has 12 divisors (see below), whose sum is σ = 18930584861760. Its totient is φ = 8604811299240.

The previous prime is 13006503234259. The next prime is 13006503234289. The reversal of 13006503234261 is 16243230560031.

13006503234261 is a `hidden beast` number, since 1 + 30 + 0 + 6 + 503 + 23 + 42 + 61 = 666.

It is not a de Polignac number, because 13006503234261 - 2¹ = 13006503234259 is a prime.

It is a super-2 number, since 2×13006503234261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006503234961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5515903501 + ... + 5515905858.

It is an arithmetic number, because the mean of its divisors is an integer number (1577548738480).

Almost surely, 2^{13006503234261} is an apocalyptic number.

It is an amenable number.

13006503234261 is a deficient number, since it is larger than the sum of its proper divisors (5924081627499).

13006503234261 is a wasteful number, since it uses less digits than its factorization.

13006503234261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031809496 (or 11031809493 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 13006503234261 its reverse (16243230560031), we get a palindrome (29249733794292).

The spelling of 13006503234261 in words is "thirteen trillion, six billion, five hundred three million, two hundred thirty-four thousand, two hundred sixty-one".