25430053440003 has 4 divisors (see below), whose sum is σ = 33906737920008. Its totient is φ = 16953368960000.

The previous prime is 25430053439897. The next prime is 25430053440019. The reversal of 25430053440003 is 30004435003452.

It is a happy number.

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 25430053440003 - 2¹⁷ = 25430053308931 is a prime.

It is a super-2 number, since 2×25430053440003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25430052440003) 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 3 ways as a sum of consecutive naturals, for example, 4238342239998 + ... + 4238342240003.

It is an arithmetic number, because the mean of its divisors is an integer number (8476684480002).

Almost surely, 2^{25430053440003} is an apocalyptic number.

25430053440003 is a deficient number, since it is larger than the sum of its proper divisors (8476684480005).

25430053440003 is an equidigital number, since it uses as much as digits as its factorization.

25430053440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476684480004.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 25430053440003 its reverse (30004435003452), we get a palindrome (55434488443455).

The spelling of 25430053440003 in words is "twenty-five trillion, four hundred thirty billion, fifty-three million, four hundred forty thousand, three".