25414523211445 has 8 divisors (see below), whose sum is σ = 30630604395960. Its totient is φ = 20242834207680.

The previous prime is 25414523211443. The next prime is 25414523211457. The reversal of 25414523211445 is 54411232541452.

It can be written as a sum of positive squares in 4 ways, for example, as 5209651041156 + 20204872170289 = 2282466^2 + 4494983^2 .

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

It is not a de Polignac number, because 25414523211445 - 2¹ = 25414523211443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25414523211443) 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, 11098043926 + ... + 11098046215.

It is an arithmetic number, because the mean of its divisors is an integer number (3828825549495).

Almost surely, 2^{25414523211445} is an apocalyptic number.

It is an amenable number.

25414523211445 is a deficient number, since it is larger than the sum of its proper divisors (5216081184515).

25414523211445 is a wasteful number, since it uses less digits than its factorization.

25414523211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22196090375.

The product of its digits is 768000, while the sum is 43.

Adding to 25414523211445 its reverse (54411232541452), we get a palindrome (79825755752897).

The spelling of 25414523211445 in words is "twenty-five trillion, four hundred fourteen billion, five hundred twenty-three million, two hundred eleven thousand, four hundred forty-five".