25127516680 has 64 divisors (see below), whose sum is σ = 64666990080. Its totient is φ = 8608032000.

The previous prime is 25127516677. The next prime is 25127516707. The reversal of 25127516680 is 8661572152.

It is an unprimeable number.

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, 308230 + ... + 381130.

It is an arithmetic number, because the mean of its divisors is an integer number (1010421720).

Almost surely, 2^25127516680 is an apocalyptic number.

25127516680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25127516680 is an abundant number, since it is smaller than the sum of its proper divisors (39539473400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25127516680 is a wasteful number, since it uses less digits than its factorization.

25127516680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74150 (or 74146 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 25127516680 in words is "twenty-five billion, one hundred twenty-seven million, five hundred sixteen thousand, six hundred eighty".