25060516545 has 64 divisors (see below), whose sum is σ = 42796615680. Its totient is φ = 12486440448.

The previous prime is 25060516541. The next prime is 25060516643. The reversal of 25060516545 is 54561506052.

It is a happy number.

It is not a de Polignac number, because 25060516545 - 2² = 25060516541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25060516541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7103572 + ... + 7107098.

It is an arithmetic number, because the mean of its divisors is an integer number (668697120).

Almost surely, 2^25060516545 is an apocalyptic number.

It is an amenable number.

25060516545 is a deficient number, since it is larger than the sum of its proper divisors (17736099135).

25060516545 is a wasteful number, since it uses less digits than its factorization.

25060516545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 25060516545 in words is "twenty-five billion, sixty million, five hundred sixteen thousand, five hundred forty-five".