51656216035135 has 8 divisors (see below), whose sum is σ = 61988222361456. Its totient is φ = 41324464081920.

The previous prime is 51656216035117. The next prime is 51656216035141. The reversal of 51656216035135 is 53153061265615.

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

It is not a de Polignac number, because 51656216035135 - 2⁷ = 51656216035007 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 63146229 + ... + 63959038.

It is an arithmetic number, because the mean of its divisors is an integer number (7748527795182).

Almost surely, 2^{51656216035135} is an apocalyptic number.

51656216035135 is a deficient number, since it is larger than the sum of its proper divisors (10332006326321).

51656216035135 is a wasteful number, since it uses less digits than its factorization.

51656216035135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127186553.

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 51656216035135 in words is "fifty-one trillion, six hundred fifty-six billion, two hundred sixteen million, thirty-five thousand, one hundred thirty-five".