1267280111753 has 2 divisors, whose sum is σ = 1267280111754. Its totient is φ = 1267280111752.

The previous prime is 1267280111717. The next prime is 1267280111767. The reversal of 1267280111753 is 3571110827621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790093432384 + 477186679369 = 888872^2 + 690787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1267280111753 - 2⁶ = 1267280111689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1267280111353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633640055876 + 633640055877.

It is an arithmetic number, because the mean of its divisors is an integer number (633640055877).

Almost surely, 2^{1267280111753} is an apocalyptic number.

It is an amenable number.

1267280111753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267280111753 is an equidigital number, since it uses as much as digits as its factorization.

1267280111753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 1267280111753 in words is "one trillion, two hundred sixty-seven billion, two hundred eighty million, one hundred eleven thousand, seven hundred fifty-three".