1140447425309 has 2 divisors, whose sum is σ = 1140447425310. Its totient is φ = 1140447425308.

The previous prime is 1140447425263. The next prime is 1140447425353. The reversal of 1140447425309 is 9035247440411.

It is an a-pointer prime, because the next prime (1140447425353) can be obtained adding 1140447425309 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 999556049284 + 140891376025 = 999778^2 + 375355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140447425309 - 2²⁸ = 1140178989853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140447425309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140447425389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570223712654 + 570223712655.

It is an arithmetic number, because the mean of its divisors is an integer number (570223712655).

Almost surely, 2^{1140447425309} is an apocalyptic number.

It is an amenable number.

1140447425309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140447425309 is an equidigital number, since it uses as much as digits as its factorization.

1140447425309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 1140447425309 in words is "one trillion, one hundred forty billion, four hundred forty-seven million, four hundred twenty-five thousand, three hundred nine".