25377373459216 has 45 divisors (see below), whose sum is σ = 49916130370869. Its totient is φ = 12498638382912.

The previous prime is 25377373459213. The next prime is 25377373459223. The reversal of 25377373459216 is 61295437377352.

The square root of 25377373459216 is 5037596.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21038917712400 + 4338455746816 = 4586820^2 + 2082896^2 .

It is a super-2 number, since 2×25377373459216² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25377373459213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1350066330 + ... + 1350085126.

Almost surely, 2^{25377373459216} is an apocalyptic number.

25377373459216 is the 5037596-th square number.

It is an amenable number.

25377373459216 is a deficient number, since it is larger than the sum of its proper divisors (24538756911653).

25377373459216 is an frugal number, since it uses more digits than its factorization.

25377373459216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37736 (or 18866 counting only the distinct ones).

The product of its digits is 200037600, while the sum is 64.

The spelling of 25377373459216 in words is "twenty-five trillion, three hundred seventy-seven billion, three hundred seventy-three million, four hundred fifty-nine thousand, two hundred sixteen".