1255322035533 has 4 divisors (see below), whose sum is σ = 1673762714048. Its totient is φ = 836881357020.

The previous prime is 1255322035529. The next prime is 1255322035553. The reversal of 1255322035533 is 3355302235521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1255322035533 - 2² = 1255322035529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255322035491 and 1255322035500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255322035553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209220339253 + ... + 209220339258.

It is an arithmetic number, because the mean of its divisors is an integer number (418440678512).

Almost surely, 2^{1255322035533} is an apocalyptic number.

It is an amenable number.

1255322035533 is a deficient number, since it is larger than the sum of its proper divisors (418440678515).

1255322035533 is an equidigital number, since it uses as much as digits as its factorization.

1255322035533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418440678514.

The product of its (nonzero) digits is 405000, while the sum is 39.

The spelling of 1255322035533 in words is "one trillion, two hundred fifty-five billion, three hundred twenty-two million, thirty-five thousand, five hundred thirty-three".