13133510261 has 8 divisors (see below), whose sum is σ = 13335604800. Its totient is φ = 12932777088.

The previous prime is 13133510249. The next prime is 13133510263. The reversal of 13133510261 is 16201533131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133510261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13133510261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133510263) 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 7 ways as a sum of consecutive naturals, for example, 320891 + ... + 359496.

It is an arithmetic number, because the mean of its divisors is an integer number (1666950600).

Almost surely, 2^13133510261 is an apocalyptic number.

It is an amenable number.

13133510261 is a deficient number, since it is larger than the sum of its proper divisors (202094539).

13133510261 is an equidigital number, since it uses as much as digits as its factorization.

13133510261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680683.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 13133510261 in words is "thirteen billion, one hundred thirty-three million, five hundred ten thousand, two hundred sixty-one".