51006635711 has 8 divisors (see below), whose sum is σ = 51104836224. Its totient is φ = 50908516120.

The previous prime is 51006635707. The next prime is 51006635717. The reversal of 51006635711 is 11753660015.

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 51006635711 - 2² = 51006635707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006635717) 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, 1326620 + ... + 1364526.

It is an arithmetic number, because the mean of its divisors is an integer number (6388104528).

Almost surely, 2^51006635711 is an apocalyptic number.

51006635711 is a deficient number, since it is larger than the sum of its proper divisors (98200513).

51006635711 is a wasteful number, since it uses less digits than its factorization.

51006635711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40461.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 51006635711 in words is "fifty-one billion, six million, six hundred thirty-five thousand, seven hundred eleven".