25528278052576 has 24 divisors (see below), whose sum is σ = 54124858756584. Its totient is φ = 11782282177920.

The previous prime is 25528278052489. The next prime is 25528278052643. The reversal of 25528278052576 is 67525087282552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30683026090 + ... + 30683026921.

It is an arithmetic number, because the mean of its divisors is an integer number (2255202448191).

Almost surely, 2^{25528278052576} is an apocalyptic number.

25528278052576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25528278052576 is an abundant number, since it is smaller than the sum of its proper divisors (28596580704008).

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

25528278052576 is a wasteful number, since it uses less digits than its factorization.

25528278052576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61366053034 (or 61366053026 counting only the distinct ones).

The product of its (nonzero) digits is 188160000, while the sum is 64.

The spelling of 25528278052576 in words is "twenty-five trillion, five hundred twenty-eight billion, two hundred seventy-eight million, fifty-two thousand, five hundred seventy-six".