25166060720000 has 80 divisors (see below), whose sum is σ = 62649335482800. Its totient is φ = 10066424256000.

The previous prime is 25166060719973. The next prime is 25166060720029. The reversal of 25166060720000 is 2706066152.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25166060720000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 157207880 + ... + 157367879.

It is an arithmetic number, because the mean of its divisors is an integer number (783116693535).

Almost surely, 2^{25166060720000} is an apocalyptic number.

25166060720000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25166060720000 is an abundant number, since it is smaller than the sum of its proper divisors (37483274762800).

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

25166060720000 is an frugal number, since it uses more digits than its factorization.

25166060720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314575793 (or 314575766 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 25166060720000 its reverse (2706066152), we get a palindrome (25168766786152).

The spelling of 25166060720000 in words is "twenty-five trillion, one hundred sixty-six billion, sixty million, seven hundred twenty thousand".