25445510134 has 16 divisors (see below), whose sum is σ = 41816820240. Its totient is φ = 11516498560.

The previous prime is 25445510131. The next prime is 25445510191. The reversal of 25445510134 is 43101554452.

It is a self number, because there is not a number n which added to its sum of digits gives 25445510134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25445510131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476879 + ... + 2487130.

It is an arithmetic number, because the mean of its divisors is an integer number (2613551265).

Almost surely, 2^25445510134 is an apocalyptic number.

25445510134 is a deficient number, since it is larger than the sum of its proper divisors (16371310106).

25445510134 is a wasteful number, since it uses less digits than its factorization.

25445510134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964255.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 25445510134 in words is "twenty-five billion, four hundred forty-five million, five hundred ten thousand, one hundred thirty-four".