1538325247252 has 12 divisors (see below), whose sum is σ = 2708584945696. Its totient is φ = 764443834200.

The previous prime is 1538325247213. The next prime is 1538325247279. The reversal of 1538325247252 is 2527425238351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1538325247196 and 1538325247205.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1179696624 + ... + 1179697927.

Almost surely, 2^{1538325247252} is an apocalyptic number.

It is an amenable number.

1538325247252 is a deficient number, since it is larger than the sum of its proper divisors (1170259698444).

1538325247252 is a wasteful number, since it uses less digits than its factorization.

1538325247252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359394718 (or 2359394716 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 49.

The spelling of 1538325247252 in words is "one trillion, five hundred thirty-eight billion, three hundred twenty-five million, two hundred forty-seven thousand, two hundred fifty-two".