25858905755580 has 144 divisors (see below), whose sum is σ = 81131232000000. Its totient is φ = 6659892005760.

The previous prime is 25858905755569. The next prime is 25858905755587. The reversal of 25858905755580 is 8555750985852.

It is a super-3 number, since 3×25858905755580³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 25858905755499 and 25858905755508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25858905755587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1859080 + ... + 7427919.

Almost surely, 2^{25858905755580} is an apocalyptic number.

25858905755580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25858905755580 is an abundant number, since it is smaller than the sum of its proper divisors (55272326244420).

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

25858905755580 is a wasteful number, since it uses less digits than its factorization.

25858905755580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287544 (or 9287539 counting only the distinct ones).

The product of its (nonzero) digits is 1008000000, while the sum is 72.

The spelling of 25858905755580 in words is "twenty-five trillion, eight hundred fifty-eight billion, nine hundred five million, seven hundred fifty-five thousand, five hundred eighty".