13056501061 has 8 divisors (see below), whose sum is σ = 13273608024. Its totient is φ = 12839493120.

The previous prime is 13056501019. The next prime is 13056501077. The reversal of 13056501061 is 16010565031.

It can be written as a sum of positive squares in 4 ways, for example, as 1170050436 + 11886450625 = 34206^2 + 109025^2 .

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 13056501061 - 2¹¹ = 13056499013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056501001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270045 + ... + 314701.

It is an arithmetic number, because the mean of its divisors is an integer number (1659201003).

Almost surely, 2^13056501061 is an apocalyptic number.

It is an amenable number.

13056501061 is a deficient number, since it is larger than the sum of its proper divisors (217106963).

13056501061 is an equidigital number, since it uses as much as digits as its factorization.

13056501061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49511.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 13056501061 in words is "thirteen billion, fifty-six million, five hundred one thousand, sixty-one".