1253430636316 has 12 divisors (see below), whose sum is σ = 2203899366760. Its totient is φ = 623745102960.

The previous prime is 1253430636259. The next prime is 1253430636371. The reversal of 1253430636316 is 6136360343521.

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, 742552851 + ... + 742554538.

Almost surely, 2^{1253430636316} is an apocalyptic number.

It is an amenable number.

1253430636316 is a deficient number, since it is larger than the sum of its proper divisors (950468730444).

1253430636316 is a wasteful number, since it uses less digits than its factorization.

1253430636316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485107604 (or 1485107602 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

Adding to 1253430636316 its reverse (6136360343521), we get a palindrome (7389790979837).

The spelling of 1253430636316 in words is "one trillion, two hundred fifty-three billion, four hundred thirty million, six hundred thirty-six thousand, three hundred sixteen".