12751013661 has 8 divisors (see below), whose sum is σ = 17363082624. Its totient is φ = 8319810240.

The previous prime is 12751013621. The next prime is 12751013669. The reversal of 12751013661 is 16631015721.

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

It is not a de Polignac number, because 12751013661 - 2¹⁴ = 12750997277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751013669) 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, 45216220 + ... + 45216501.

It is an arithmetic number, because the mean of its divisors is an integer number (2170385328).

Almost surely, 2^12751013661 is an apocalyptic number.

It is an amenable number.

12751013661 is a deficient number, since it is larger than the sum of its proper divisors (4612068963).

12751013661 is an equidigital number, since it uses as much as digits as its factorization.

12751013661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90432771.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 12751013661 in words is "twelve billion, seven hundred fifty-one million, thirteen thousand, six hundred sixty-one".