1252162356453 has 12 divisors (see below), whose sum is σ = 1808731529280. Its totient is φ = 834750641256.

The previous prime is 1252162356427. The next prime is 1252162356463. The reversal of 1252162356453 is 3546532612521.

1252162356453 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 16 + 23 + 564 + 53 = 666.

It is not a de Polignac number, because 1252162356453 - 2²⁰ = 1252161307877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252162356399 and 1252162356408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252162356463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692243 + ... + 2316896.

It is an arithmetic number, because the mean of its divisors is an integer number (150727627440).

Almost surely, 2^{1252162356453} is an apocalyptic number.

It is an amenable number.

1252162356453 is a deficient number, since it is larger than the sum of its proper divisors (556569172827).

1252162356453 is a wasteful number, since it uses less digits than its factorization.

1252162356453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043848 (or 4043845 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

Adding to 1252162356453 its reverse (3546532612521), we get a palindrome (4798694968974).

The spelling of 1252162356453 in words is "one trillion, two hundred fifty-two billion, one hundred sixty-two million, three hundred fifty-six thousand, four hundred fifty-three".