51206322070778 has 32 divisors (see below), whose sum is σ = 88133484257280. Its totient is φ = 21857765094000.

The previous prime is 51206322070769. The next prime is 51206322070837. The reversal of 51206322070778 is 87707022360215.

51206322070778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51206322070778² (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 349355375 + ... + 349501917.

It is an arithmetic number, because the mean of its divisors is an integer number (2754171383040).

Almost surely, 2^{51206322070778} is an apocalyptic number.

51206322070778 is a deficient number, since it is larger than the sum of its proper divisors (36927162186502).

51206322070778 is a wasteful number, since it uses less digits than its factorization.

51206322070778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246242.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 51206322070778 in words is "fifty-one trillion, two hundred six billion, three hundred twenty-two million, seventy thousand, seven hundred seventy-eight".