1255540403152 has 20 divisors (see below), whose sum is σ = 2780125178656. Its totient is φ = 538088744160.

The previous prime is 1255540403107. The next prime is 1255540403171. The reversal of 1255540403152 is 2513040455521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605090974 + ... + 5605091197.

Almost surely, 2^{1255540403152} is an apocalyptic number.

It is an amenable number.

1255540403152 is an abundant number, since it is smaller than the sum of its proper divisors (1524584775504).

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

1255540403152 is a wasteful number, since it uses less digits than its factorization.

1255540403152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210182186 (or 11210182180 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 1255540403152 its reverse (2513040455521), we get a palindrome (3768580858673).

The spelling of 1255540403152 in words is "one trillion, two hundred fifty-five billion, five hundred forty million, four hundred three thousand, one hundred fifty-two".