1255002251533 has 8 divisors (see below), whose sum is σ = 1291226098680. Its totient is φ = 1219045739520.

The previous prime is 1255002251521. The next prime is 1255002251543. The reversal of 1255002251533 is 3351522005521.

It can be written as a sum of positive squares in 4 ways, for example, as 14534231364 + 1240468020169 = 120558^2 + 1113763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255002251533 - 2⁹ = 1255002251021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255002251543) 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 in 7 ways as a sum of consecutive naturals, for example, 66824260 + ... + 66843037.

It is an arithmetic number, because the mean of its divisors is an integer number (161403262335).

Almost surely, 2^{1255002251533} is an apocalyptic number.

It is an amenable number.

1255002251533 is a deficient number, since it is larger than the sum of its proper divisors (36223847147).

1255002251533 is a wasteful number, since it uses less digits than its factorization.

1255002251533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133667567.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1255002251533 in words is "one trillion, two hundred fifty-five billion, two million, two hundred fifty-one thousand, five hundred thirty-three".