51116611506006 has 8 divisors (see below), whose sum is σ = 102233223012024. Its totient is φ = 17038870502000.

The previous prime is 51116611505987. The next prime is 51116611506041. The reversal of 51116611506006 is 60060511661115.

It is a sphenic number, since it is the product of 3 distinct primes.

51116611506006 is an admirable number.

It is a super-2 number, since 2×51116611506006² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 4259717625495 + ... + 4259717625506.

It is an arithmetic number, because the mean of its divisors is an integer number (12779152876503).

Almost surely, 2^{51116611506006} is an apocalyptic number.

51116611506006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51116611506006 is a wasteful number, since it uses less digits than its factorization.

51116611506006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519435251006.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 51116611506006 in words is "fifty-one trillion, one hundred sixteen billion, six hundred eleven million, five hundred six thousand, six".