1275476472461 has 2 divisors, whose sum is σ = 1275476472462. Its totient is φ = 1275476472460.

The previous prime is 1275476472449. The next prime is 1275476472463. The reversal of 1275476472461 is 1642746745721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780801976900 + 494674495561 = 883630^2 + 703331^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275476472461 - 2⁶ = 1275476472397 is a prime.

Together with 1275476472463, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1275476472397 and 1275476472406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275476472463) 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 as a sum of consecutive naturals, namely, 637738236230 + 637738236231.

It is an arithmetic number, because the mean of its divisors is an integer number (637738236231).

Almost surely, 2^{1275476472461} is an apocalyptic number.

It is an amenable number.

1275476472461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275476472461 is an equidigital number, since it uses as much as digits as its factorization.

1275476472461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15805440, while the sum is 56.

The spelling of 1275476472461 in words is "one trillion, two hundred seventy-five billion, four hundred seventy-six million, four hundred seventy-two thousand, four hundred sixty-one".