51510066611 has 8 divisors (see below), whose sum is σ = 51762110400. Its totient is φ = 51258243688.

The previous prime is 51510066593. The next prime is 51510066613. The reversal of 51510066611 is 11666001515.

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

It is a cyclic number.

It is not a de Polignac number, because 51510066611 - 2²² = 51505872307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51510066613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422420 + ... + 530526.

It is an arithmetic number, because the mean of its divisors is an integer number (6470263800).

Almost surely, 2^51510066611 is an apocalyptic number.

51510066611 is a deficient number, since it is larger than the sum of its proper divisors (252043789).

51510066611 is a wasteful number, since it uses less digits than its factorization.

51510066611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110433.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 51510066611 in words is "fifty-one billion, five hundred ten million, sixty-six thousand, six hundred eleven".