25425152402545 has 16 divisors (see below), whose sum is σ = 34869730059648. Its totient is φ = 17433915408000.

The previous prime is 25425152402527. The next prime is 25425152402563. The reversal of 25425152402545 is 54520425152452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25425152402527) and next prime (25425152402563).

It is not a de Polignac number, because 25425152402545 - 2⁷ = 25425152402417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25425152402495 and 25425152402504.

It is an unprimeable number.

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, 8585956 + ... + 11161045.

It is an arithmetic number, because the mean of its divisors is an integer number (2179358128728).

Almost surely, 2^{25425152402545} is an apocalyptic number.

It is an amenable number.

25425152402545 is a deficient number, since it is larger than the sum of its proper divisors (9444577657103).

25425152402545 is a wasteful number, since it uses less digits than its factorization.

25425152402545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783800.

The product of its (nonzero) digits is 3200000, while the sum is 46.

Adding to 25425152402545 its reverse (54520425152452), we get a palindrome (79945577554997).

The spelling of 25425152402545 in words is "twenty-five trillion, four hundred twenty-five billion, one hundred fifty-two million, four hundred two thousand, five hundred forty-five".