51365624011 has 8 divisors (see below), whose sum is σ = 55319286960. Its totient is φ = 47412312672.

The previous prime is 51365623993. The next prime is 51365624039. The reversal of 51365624011 is 11042656315.

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 51365624011 - 2⁵ = 51365623979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51365624041) 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, 269301 + ... + 418633.

It is an arithmetic number, because the mean of its divisors is an integer number (6914910870).

Almost surely, 2^51365624011 is an apocalyptic number.

51365624011 is a deficient number, since it is larger than the sum of its proper divisors (3953662949).

51365624011 is a wasteful number, since it uses less digits than its factorization.

51365624011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175805.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 51365624011 in words is "fifty-one billion, three hundred sixty-five million, six hundred twenty-four thousand, eleven".