1255434351125 has 16 divisors (see below), whose sum is σ = 1569363354624. Its totient is φ = 1002692811600.

The previous prime is 1255434351071. The next prime is 1255434351187. The reversal of 1255434351125 is 5211534345521.

It is not a de Polignac number, because 1255434351125 - 2²² = 1255430156821 is a prime.

It is a super-2 number, since 2×1255434351125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8197169 + ... + 8348918.

It is an arithmetic number, because the mean of its divisors is an integer number (98085209664).

Almost surely, 2^{1255434351125} is an apocalyptic number.

It is an amenable number.

1255434351125 is a deficient number, since it is larger than the sum of its proper divisors (313929003499).

1255434351125 is an equidigital number, since it uses as much as digits as its factorization.

1255434351125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546709 (or 16546699 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

Adding to 1255434351125 its reverse (5211534345521), we get a palindrome (6466968696646).

The spelling of 1255434351125 in words is "one trillion, two hundred fifty-five billion, four hundred thirty-four million, three hundred fifty-one thousand, one hundred twenty-five".