51411854082436 has 81 divisors (see below), whose sum is σ = 92728423842831. Its totient is φ = 24941303443584.

The previous prime is 51411854082419. The next prime is 51411854082439. The reversal of 51411854082436 is 63428045811415.

The square root of 51411854082436 is 7170206.

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

It can be written as a sum of positive squares in 4 ways, for example, as 21609426176836 + 29802427905600 = 4648594^2 + 5459160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51411854082439) 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 26 ways as a sum of consecutive naturals, for example, 70138954726 + ... + 70138955458.

Almost surely, 2^{51411854082436} is an apocalyptic number.

51411854082436 is the 7170206-th square number.

It is an amenable number.

51411854082436 is a deficient number, since it is larger than the sum of its proper divisors (41316569760395).

51411854082436 is an frugal number, since it uses more digits than its factorization.

51411854082436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

It can be divided in two parts, 514118540 and 82436, that added together give a square (514200976 = 22676²).

The spelling of 51411854082436 in words is "fifty-one trillion, four hundred eleven billion, eight hundred fifty-four million, eighty-two thousand, four hundred thirty-six".