25278161078848 has 112 divisors (see below), whose sum is σ = 51992132727744. Its totient is φ = 12186211000320.

The previous prime is 25278161078837. The next prime is 25278161078851. The reversal of 25278161078848 is 84887016187252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82591636 + ... + 82897132.

Almost surely, 2^{25278161078848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25278161078848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25996066363872).

25278161078848 is an abundant number, since it is smaller than the sum of its proper divisors (26713971648896).

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

25278161078848 is a wasteful number, since it uses less digits than its factorization.

25278161078848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305940 (or 305930 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 67.

The spelling of 25278161078848 in words is "twenty-five trillion, two hundred seventy-eight billion, one hundred sixty-one million, seventy-eight thousand, eight hundred forty-eight".