1252550443454 has 16 divisors (see below), whose sum is σ = 1880307898560. Its totient is φ = 625781317920.

The previous prime is 1252550443453. The next prime is 1252550443457. The reversal of 1252550443454 is 4543440552521.

It is a super-2 number, since 2×1252550443454² (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 (1252550443453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15425192 + ... + 15506180.

It is an arithmetic number, because the mean of its divisors is an integer number (117519243660).

Almost surely, 2^{1252550443454} is an apocalyptic number.

1252550443454 is a deficient number, since it is larger than the sum of its proper divisors (627757455106).

1252550443454 is a wasteful number, since it uses less digits than its factorization.

1252550443454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86995.

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 1252550443454 its reverse (4543440552521), we get a palindrome (5795990995975).

The spelling of 1252550443454 in words is "one trillion, two hundred fifty-two billion, five hundred fifty million, four hundred forty-three thousand, four hundred fifty-four".