25461360445 has 16 divisors (see below), whose sum is σ = 32583660480. Its totient is φ = 19032977664.

The previous prime is 25461360443. The next prime is 25461360461. The reversal of 25461360445 is 54406316452.

It is a cyclic number.

It is not a de Polignac number, because 25461360445 - 2¹ = 25461360443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25461360398 and 25461360407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25461360443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065687 + ... + 1089316.

It is an arithmetic number, because the mean of its divisors is an integer number (2036478780).

Almost surely, 2^25461360445 is an apocalyptic number.

It is an amenable number.

25461360445 is a deficient number, since it is larger than the sum of its proper divisors (7122300035).

25461360445 is a wasteful number, since it uses less digits than its factorization.

25461360445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155164.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 25461360445 its reverse (54406316452), we get a palindrome (79867676897).

The spelling of 25461360445 in words is "twenty-five billion, four hundred sixty-one million, three hundred sixty thousand, four hundred forty-five".