1255625050019 has 2 divisors, whose sum is σ = 1255625050020. Its totient is φ = 1255625050018.

The previous prime is 1255625049977. The next prime is 1255625050027. The reversal of 1255625050019 is 9100505265521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255625050019 - 2⁴⁰ = 156113422243 is a prime.

It is a super-2 number, since 2×1255625050019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255625050039) 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, 627812525009 + 627812525010.

It is an arithmetic number, because the mean of its divisors is an integer number (627812525010).

Almost surely, 2^{1255625050019} is an apocalyptic number.

1255625050019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255625050019 is an equidigital number, since it uses as much as digits as its factorization.

1255625050019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 1255625050019 in words is "one trillion, two hundred fifty-five billion, six hundred twenty-five million, fifty thousand, nineteen".