1225668753139 has 2 divisors, whose sum is σ = 1225668753140. Its totient is φ = 1225668753138.

The previous prime is 1225668753121. The next prime is 1225668753157. The reversal of 1225668753139 is 9313578665221.

It is a balanced prime because it is at equal distance from previous prime (1225668753121) and next prime (1225668753157).

It is a cyclic number.

It is not a de Polignac number, because 1225668753139 - 2¹¹ = 1225668751091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225668753539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612834376569 + 612834376570.

It is an arithmetic number, because the mean of its divisors is an integer number (612834376570).

Almost surely, 2^{1225668753139} is an apocalyptic number.

1225668753139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225668753139 is an equidigital number, since it uses as much as digits as its factorization.

1225668753139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 58.

The spelling of 1225668753139 in words is "one trillion, two hundred twenty-five billion, six hundred sixty-eight million, seven hundred fifty-three thousand, one hundred thirty-nine".