1244106155507 has 2 divisors, whose sum is σ = 1244106155508. Its totient is φ = 1244106155506.

The previous prime is 1244106155483. The next prime is 1244106155543. The reversal of 1244106155507 is 7055516014421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244106155507 - 2³⁶ = 1175386678771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244106155557) 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, 622053077753 + 622053077754.

It is an arithmetic number, because the mean of its divisors is an integer number (622053077754).

Almost surely, 2^{1244106155507} is an apocalyptic number.

1244106155507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244106155507 is an equidigital number, since it uses as much as digits as its factorization.

1244106155507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 1244106155507 in words is "one trillion, two hundred forty-four billion, one hundred six million, one hundred fifty-five thousand, five hundred seven".