51105000559996 has 12 divisors (see below), whose sum is σ = 90768583084648. Its totient is φ = 25171119678672.

The previous prime is 51105000559981. The next prime is 51105000560041. The reversal of 51105000559996 is 69995500050115.

It is a super-2 number, since 2×51105000559996² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95345150031 + ... + 95345150566.

Almost surely, 2^{51105000559996} is an apocalyptic number.

It is an amenable number.

51105000559996 is a deficient number, since it is larger than the sum of its proper divisors (39663582524652).

51105000559996 is a wasteful number, since it uses less digits than its factorization.

51105000559996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190690300668 (or 190690300666 counting only the distinct ones).

The product of its (nonzero) digits is 2733750, while the sum is 55.

The spelling of 51105000559996 in words is "fifty-one trillion, one hundred five billion, five hundred fifty-nine thousand, nine hundred ninety-six".