25414526545 has 16 divisors (see below), whose sum is σ = 32206833792. Its totient is φ = 19213321600.

The previous prime is 25414526539. The next prime is 25414526549. The reversal of 25414526545 is 54562541452.

It is a happy number.

It is not a de Polignac number, because 25414526545 - 2¹¹ = 25414524497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25414526549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321756 + ... + 1340845.

It is an arithmetic number, because the mean of its divisors is an integer number (2012927112).

Almost surely, 2^25414526545 is an apocalyptic number.

It is an amenable number.

25414526545 is a deficient number, since it is larger than the sum of its proper divisors (6792307247).

25414526545 is a wasteful number, since it uses less digits than its factorization.

25414526545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662712.

The product of its digits is 960000, while the sum is 43.

The spelling of 25414526545 in words is "twenty-five billion, four hundred fourteen million, five hundred twenty-six thousand, five hundred forty-five".