1255483139448 has 32 divisors (see below), whose sum is σ = 3138735945600. Its totient is φ = 418490633568.

The previous prime is 1255483139437. The next prime is 1255483139461. The reversal of 1255483139448 is 8449313845521.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274815 + ... + 4559057.

It is an arithmetic number, because the mean of its divisors is an integer number (98085498300).

Almost surely, 2^{1255483139448} is an apocalyptic number.

It is an amenable number.

1255483139448 is an abundant number, since it is smaller than the sum of its proper divisors (1883252806152).

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

1255483139448 is a wasteful number, since it uses less digits than its factorization.

1255483139448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468291 (or 468287 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

It can be divided in two parts, 1255483 and 139448, that added together give a palindrome (1394931).

The spelling of 1255483139448 in words is "one trillion, two hundred fifty-five billion, four hundred eighty-three million, one hundred thirty-nine thousand, four hundred forty-eight".