25320234065145 has 8 divisors (see below), whose sum is σ = 40512374504256. Its totient is φ = 13504124834736.

The previous prime is 25320234065143. The next prime is 25320234065153. The reversal of 25320234065145 is 54156043202352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25320234065145 - 2¹ = 25320234065143 is a prime.

It is a super-2 number, since 2×25320234065145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25320234065097 and 25320234065106.

It is not an unprimeable number, because it can be changed into a prime (25320234065143) 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, 844007802157 + ... + 844007802186.

It is an arithmetic number, because the mean of its divisors is an integer number (5064046813032).

Almost surely, 2^{25320234065145} is an apocalyptic number.

It is an amenable number.

25320234065145 is a deficient number, since it is larger than the sum of its proper divisors (15192140439111).

25320234065145 is a wasteful number, since it uses less digits than its factorization.

25320234065145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688015604351.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 25320234065145 its reverse (54156043202352), we get a palindrome (79476277267497).

The spelling of 25320234065145 in words is "twenty-five trillion, three hundred twenty billion, two hundred thirty-four million, sixty-five thousand, one hundred forty-five".