1254534400043 has 4 divisors (see below), whose sum is σ = 1328330541240. Its totient is φ = 1180738258848.

The previous prime is 1254534400039. The next prime is 1254534400051. The reversal of 1254534400043 is 3400044354521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1254534400043 - 2² = 1254534400039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254534399976 and 1254534400012.

It is not an unprimeable number, because it can be changed into a prime (1254534400243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36898070573 + ... + 36898070606.

It is an arithmetic number, because the mean of its divisors is an integer number (332082635310).

Almost surely, 2^{1254534400043} is an apocalyptic number.

1254534400043 is a deficient number, since it is larger than the sum of its proper divisors (73796141197).

1254534400043 is an equidigital number, since it uses as much as digits as its factorization.

1254534400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73796141196.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1254534400043 its reverse (3400044354521), we get a palindrome (4654578754564).

The spelling of 1254534400043 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-four million, four hundred thousand, forty-three".