51199205351044 has 27 divisors (see below), whose sum is σ = 94563023436567. Its totient is φ = 24252126369768.

The previous prime is 51199205351027. The next prime is 51199205351051. The reversal of 51199205351044 is 44015350299115.

The square root of 51199205351044 is 7155362.

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

51199205351044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 271809607 + ... + 271997905.

Almost surely, 2^{51199205351044} is an apocalyptic number.

51199205351044 is the 7155362-nd square number.

It is an amenable number.

51199205351044 is a deficient number, since it is larger than the sum of its proper divisors (43363818085523).

51199205351044 is an frugal number, since it uses more digits than its factorization.

51199205351044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376640 (or 188320 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 51199205351044 in words is "fifty-one trillion, one hundred ninety-nine billion, two hundred five million, three hundred fifty-one thousand, forty-four".