1255144550120 has 64 divisors (see below), whose sum is σ = 3147576148800. Its totient is φ = 447655265280.

The previous prime is 1255144550119. The next prime is 1255144550131. The reversal of 1255144550120 is 210554415521.

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, 48560786 + ... + 48586625.

It is an arithmetic number, because the mean of its divisors is an integer number (49180877325).

Almost surely, 2^{1255144550120} is an apocalyptic number.

1255144550120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255144550120 is an abundant number, since it is smaller than the sum of its proper divisors (1892431598680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255144550120 is a wasteful number, since it uses less digits than its factorization.

1255144550120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97147458 (or 97147454 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 1255144550120 its reverse (210554415521), we get a palindrome (1465698965641).

The spelling of 1255144550120 in words is "one trillion, two hundred fifty-five billion, one hundred forty-four million, five hundred fifty thousand, one hundred twenty".