12751400002665 has 8 divisors (see below), whose sum is σ = 20402240004288. Its totient is φ = 6800746668080.

The previous prime is 12751400002661. The next prime is 12751400002673. The reversal of 12751400002665 is 56620000415721.

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

It is not a de Polignac number, because 12751400002665 - 2² = 12751400002661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12751400002661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425046666741 + ... + 425046666770.

It is an arithmetic number, because the mean of its divisors is an integer number (2550280000536).

Almost surely, 2^{12751400002665} is an apocalyptic number.

12751400002665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12751400002665 is a deficient number, since it is larger than the sum of its proper divisors (7650840001623).

12751400002665 is an equidigital number, since it uses as much as digits as its factorization.

12751400002665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850093333519.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 12751400002665 in words is "twelve trillion, seven hundred fifty-one billion, four hundred million, two thousand, six hundred sixty-five".