1266740024141 has 2 divisors, whose sum is σ = 1266740024142. Its totient is φ = 1266740024140.

The previous prime is 1266740024087. The next prime is 1266740024149. The reversal of 1266740024141 is 1414200476621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947791814116 + 318948210025 = 973546^2 + 564755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1266740024141 - 2¹⁸ = 1266739761997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1266740024095 and 1266740024104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266740024149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633370012070 + 633370012071.

It is an arithmetic number, because the mean of its divisors is an integer number (633370012071).

Almost surely, 2^{1266740024141} is an apocalyptic number.

It is an amenable number.

1266740024141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266740024141 is an equidigital number, since it uses as much as digits as its factorization.

1266740024141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 1266740024141 in words is "one trillion, two hundred sixty-six billion, seven hundred forty million, twenty-four thousand, one hundred forty-one".