51035786783808 has 28 divisors (see below), whose sum is σ = 135032185866000. Its totient is φ = 17011928927872.

The previous prime is 51035786783797. The next prime is 51035786783819. The reversal of 51035786783808 is 80838768753015.

It is an interprime number because it is at equal distance from previous prime (51035786783797) and next prime (51035786783819).

It is a super-2 number, since 2×51035786783808² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132905694558 + ... + 132905694941.

Almost surely, 2^{51035786783808} is an apocalyptic number.

It is an amenable number.

51035786783808 is an abundant number, since it is smaller than the sum of its proper divisors (83996399082192).

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

51035786783808 is a wasteful number, since it uses less digits than its factorization.

51035786783808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265811389514 (or 265811389504 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 69.

The spelling of 51035786783808 in words is "fifty-one trillion, thirty-five billion, seven hundred eighty-six million, seven hundred eighty-three thousand, eight hundred eight".