43425163106554 has 16 divisors (see below), whose sum is σ = 65874232825128. Its totient is φ = 21467527437312.

The previous prime is 43425163106551. The next prime is 43425163106561. The reversal of 43425163106554 is 45560136152434.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11347971255625 + 32077191850929 = 3368675^2 + 5663673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43425163106498 and 43425163106507.

It is not an unprimeable number, because it can be changed into a prime (43425163106551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110287707 + ... + 110680750.

Almost surely, 2^{43425163106554} is an apocalyptic number.

43425163106554 is a deficient number, since it is larger than the sum of its proper divisors (22449069718574).

43425163106554 is a wasteful number, since it uses less digits than its factorization.

43425163106554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220969569.

The product of its (nonzero) digits is 5184000, while the sum is 49.

Adding to 43425163106554 its reverse (45560136152434), we get a palindrome (88985299258988).

The spelling of 43425163106554 in words is "forty-three trillion, four hundred twenty-five billion, one hundred sixty-three million, one hundred six thousand, five hundred fifty-four".