1255453514120 has 32 divisors (see below), whose sum is σ = 3042060439320. Its totient is φ = 463552066560.

The previous prime is 1255453514059. The next prime is 1255453514129. The reversal of 1255453514120 is 214153545521.

It can be written as a sum of positive squares in 4 ways, for example, as 631761087556 + 623692426564 = 794834^2 + 789742^2 .

It is a super-3 number, since 3×1255453514120³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1255453514129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207166321 + ... + 1207167360.

Almost surely, 2^{1255453514120} is an apocalyptic number.

1255453514120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255453514120 is an abundant number, since it is smaller than the sum of its proper divisors (1786606925200).

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

1255453514120 is a wasteful number, since it uses less digits than its factorization.

1255453514120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414333705 (or 2414333701 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 1255453514120 in words is "one trillion, two hundred fifty-five billion, four hundred fifty-three million, five hundred fourteen thousand, one hundred twenty".