1275451296671 has 8 divisors (see below), whose sum is σ = 1350823569840. Its totient is φ = 1200117437568.

The previous prime is 1275451296659. The next prime is 1275451296673. The reversal of 1275451296671 is 1766921545721.

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 1275451296671 - 2⁶ = 1275451296607 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 (1275451296673) 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, 9535136 + ... + 9667973.

It is an arithmetic number, because the mean of its divisors is an integer number (168852946230).

Almost surely, 2^{1275451296671} is an apocalyptic number.

1275451296671 is a deficient number, since it is larger than the sum of its proper divisors (75372273169).

1275451296671 is a wasteful number, since it uses less digits than its factorization.

1275451296671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207033.

The product of its digits is 6350400, while the sum is 56.

The spelling of 1275451296671 in words is "one trillion, two hundred seventy-five billion, four hundred fifty-one million, two hundred ninety-six thousand, six hundred seventy-one".