13531113305 has 16 divisors (see below), whose sum is σ = 16925096640. Its totient is φ = 10375117632.

The previous prime is 13531113301. The next prime is 13531113313. The reversal of 13531113305 is 50331113531.

It is a cyclic number.

It is not a de Polignac number, because 13531113305 - 2² = 13531113301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531113301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533435 + ... + 558224.

It is an arithmetic number, because the mean of its divisors is an integer number (1057818540).

Almost surely, 2^13531113305 is an apocalyptic number.

It is an amenable number.

13531113305 is a deficient number, since it is larger than the sum of its proper divisors (3393983335).

13531113305 is a wasteful number, since it uses less digits than its factorization.

13531113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091768.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 13531113305 its reverse (50331113531), we get a palindrome (63862226836).

The spelling of 13531113305 in words is "thirteen billion, five hundred thirty-one million, one hundred thirteen thousand, three hundred five".