1252342054431 has 16 divisors (see below), whose sum is σ = 1998038605920. Its totient is φ = 770672033280.

The previous prime is 1252342054391. The next prime is 1252342054463. The reversal of 1252342054431 is 1344502432521.

It is a happy number.

1252342054431 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 3 + 4 + 205 + 443 + 1 = 666.

It is not a de Polignac number, because 1252342054431 - 2⁶ = 1252342054367 is a prime.

It is a super-2 number, since 2×1252342054431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252342054231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783962690 + ... + 1783963391.

It is an arithmetic number, because the mean of its divisors is an integer number (124877412870).

Almost surely, 2^{1252342054431} is an apocalyptic number.

1252342054431 is a deficient number, since it is larger than the sum of its proper divisors (745696551489).

1252342054431 is a wasteful number, since it uses less digits than its factorization.

1252342054431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567926103 (or 3567926097 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1252342054431 its reverse (1344502432521), we get a palindrome (2596844486952).

The spelling of 1252342054431 in words is "one trillion, two hundred fifty-two billion, three hundred forty-two million, fifty-four thousand, four hundred thirty-one".