1331241425450 has 24 divisors (see below), whose sum is σ = 2476399889772. Its totient is φ = 532434024320.

The previous prime is 1331241425441. The next prime is 1331241425537. The reversal of 1331241425450 is 545241421331.

It can be written as a sum of positive squares in 6 ways, for example, as 1202274969289 + 128966456161 = 1096483^2 + 359119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1331241425450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132529 + ... + 1986228.

Almost surely, 2^{1331241425450} is an apocalyptic number.

1331241425450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331241425450 is a deficient number, since it is larger than the sum of its proper divisors (1145158464322).

1331241425450 is a wasteful number, since it uses less digits than its factorization.

1331241425450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127306 (or 3127301 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1331241425450 its reverse (545241421331), we get a palindrome (1876482846781).

The spelling of 1331241425450 in words is "one trillion, three hundred thirty-one billion, two hundred forty-one million, four hundred twenty-five thousand, four hundred fifty".