1255012656353 has 8 divisors (see below), whose sum is σ = 1280550022440. Its totient is φ = 1229635399680.

The previous prime is 1255012656343. The next prime is 1255012656397. The reversal of 1255012656353 is 3536562105521.

It can be written as a sum of positive squares in 4 ways, for example, as 22328727184 + 1232683929169 = 149428^2 + 1110263^2 .

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 1255012656353 - 2⁸ = 1255012656097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255012656323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40011518 + ... + 40042871.

It is an arithmetic number, because the mean of its divisors is an integer number (160068752805).

Almost surely, 2^{1255012656353} is an apocalyptic number.

It is an amenable number.

1255012656353 is a deficient number, since it is larger than the sum of its proper divisors (25537366087).

1255012656353 is an equidigital number, since it uses as much as digits as its factorization.

1255012656353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80054707.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 1255012656353 in words is "one trillion, two hundred fifty-five billion, twelve million, six hundred fifty-six thousand, three hundred fifty-three".