1206915032761 has 2 divisors, whose sum is σ = 1206915032762. Its totient is φ = 1206915032760.

The previous prime is 1206915032749. The next prime is 1206915032773. The reversal of 1206915032761 is 1672305196021.

It is a balanced prime because it is at equal distance from previous prime (1206915032749) and next prime (1206915032773).

It can be written as a sum of positive squares in only one way, i.e., 730587305536 + 476327727225 = 854744^2 + 690165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206915032761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1206915038761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603457516380 + 603457516381.

It is an arithmetic number, because the mean of its divisors is an integer number (603457516381).

Almost surely, 2^{1206915032761} is an apocalyptic number.

It is an amenable number.

1206915032761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206915032761 is an equidigital number, since it uses as much as digits as its factorization.

1206915032761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 1206915032761 in words is "one trillion, two hundred six billion, nine hundred fifteen million, thirty-two thousand, seven hundred sixty-one".