1255435432219 has 2 divisors, whose sum is σ = 1255435432220. Its totient is φ = 1255435432218.

The previous prime is 1255435432213. The next prime is 1255435432253. The reversal of 1255435432219 is 9122345345521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255435432219 - 2³ = 1255435432211 is a prime.

It is a super-2 number, since 2×1255435432219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255435432211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627717716109 + 627717716110.

It is an arithmetic number, because the mean of its divisors is an integer number (627717716110).

Almost surely, 2^{1255435432219} is an apocalyptic number.

1255435432219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255435432219 is an equidigital number, since it uses as much as digits as its factorization.

1255435432219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The spelling of 1255435432219 in words is "one trillion, two hundred fifty-five billion, four hundred thirty-five million, four hundred thirty-two thousand, two hundred nineteen".