1255106361444 has 96 divisors (see below), whose sum is σ = 3200941134720. Its totient is φ = 380434019328.

The previous prime is 1255106361433. The next prime is 1255106361497. The reversal of 1255106361444 is 4441636015521.

It is a junction number, because it is equal to n+sod(n) for n = 1255106361396 and 1255106361405.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9374179 + ... + 9507125.

It is an arithmetic number, because the mean of its divisors is an integer number (33343136820).

Almost surely, 2^{1255106361444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255106361444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600470567360).

1255106361444 is an abundant number, since it is smaller than the sum of its proper divisors (1945834773276).

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

1255106361444 is a wasteful number, since it uses less digits than its factorization.

1255106361444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133869 (or 133867 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1255106361444 in words is "one trillion, two hundred fifty-five billion, one hundred six million, three hundred sixty-one thousand, four hundred forty-four".