1313232005025 has 72 divisors (see below), whose sum is σ = 2393200656704. Its totient is φ = 688189219200.

The previous prime is 1313232005009. The next prime is 1313232005039. The reversal of 1313232005025 is 5205002323131.

It is a happy number.

1313232005025 is a `hidden beast` number, since 1 + 3 + 132 + 3 + 20 + 0 + 502 + 5 = 666.

It is not a de Polignac number, because 1313232005025 - 2⁴ = 1313232005009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313232005025.

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 71 ways as a sum of consecutive naturals, for example, 13222602 + ... + 13321548.

Almost surely, 2^{1313232005025} is an apocalyptic number.

1313232005025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313232005025 is a deficient number, since it is larger than the sum of its proper divisors (1079968651679).

1313232005025 is a wasteful number, since it uses less digits than its factorization.

1313232005025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99991 (or 99983 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1313232005025 its reverse (5205002323131), we get a palindrome (6518234328156).

The spelling of 1313232005025 in words is "one trillion, three hundred thirteen billion, two hundred thirty-two million, five thousand, twenty-five".